Probability in biostatistics and research methodology slideshare. 141 likes • 54,512 views.

It defines a hypothesis as a tentative explanation for a problem being investigated. "—. Sep 7, 2012 · 1. It defines a p-value as the probability of obtaining a result equal to or more extreme than what was observed assuming the null hypothesis is true. rahambacha@yahoo. preformulation. Biostatistics applies statistical methods to biological and medical data. 14% area will lie on either side of the mean. Apr 8, 2024 · Basics of Research Methodology- Part-II. Need for Design Experiments 4. Roll no : 516. This subject deals with descriptive statistics, Graphics, Correlation, Regression, logistic regression, Probability theory, Sampling technique, Parametric tests, Non Parametric tests, ANOVA, Introduction to Design of Experiments, Phases of Clini- cal Jul 31, 2012 · Probability concept and Probability distribution. It covers various topics in medical ethics including: the history of medical ethics traced back to guidelines like the Hippocratic Oath; core values like autonomy, beneficence, non-maleficence; concepts like informed consent and confidentiality; criticisms of orthodox Mar 31, 2017 · Biostat. Changes in technology, and ethical standards notwithstanding, the probability will remain the same. Topic covered: Designing the methodology, Sample size determination and Power of a study, Report writing and presentation of data, Protocol, Cohorts studies, Observational studies, Experimental studies, Designing clinical trial, various phases. It also discusses different types of statistical tests like the t-test, F-test, and ANOVA that are used to test hypotheses and determine RESPONSE SURFACE METHODOLOGY. All units are available to download for free. AAdata presentation edited edited tutor srudents (1). ly/3JO0cw2orDownload our App Dr. , quota, convenience, or snowball sampling) Apr 23, 2013 · The document discusses sample and sampling techniques used in research. AI-enhanced description. • There are situations in which the number of times an event occurs can be counted but the number of times the event did not occur cannot be counted. The conclusions from her tables helped to change the practices May 12, 2022 · Here in this article ‘’B Pharm 8th Semester Biostatics and Research Methodology Notes’’ we have provided the latest available study notes for the B Pharmacy students. It also Jun 19, 2024 · Download to read offline. Mar 18, 2022 · BP801T. It involves studying the effects of multiple independent variables, or factors, on a response variable of interest. It defines key terms like population, sample, sampling, and element. It defines statistics as the collection, analysis, and interpretation of quantitative data. Descriptive statistics are used to summarize and organize Notes PDF Link: https://bit. 1. 39 likes • 13,503 views. Contains Research methodology might be useful to medical and paramedical UG and PG students pursuing Research. This slide contains B. This is an empirical probability based on millions of observations. pptx. Oct 31, 2011 · Research methodology unit-1. Raham Bacha Ultrasound specialist MD, PhD Scholar MSc Ultrasound (Gold Medalist) Lecturer Afro-Asian Institute Lahore dr. Making an assumption, called hypothesis, about a population parameter. Non-Probability Sampling: Nonprobability Sample a particular member of the population being chosen is unknown. Some key points covered include: - Francis Galton is considered the father of biostatistics. PK Classes from Google Playstore: https://bit. Medical research has a long and varied history. chapter_5. Decide on the degree of accuracy (d) that is desired in the study. 59172888 introduction-to-statistics-independent-study-requirements-2nd-sem-20 13. 0 ≤ pr (A) ≤ 1 2. 30. Parametric tests discussed include the z-test, t-test, and ANOVA. 16. • Public health, including epidemiology , health services research, nutrition and environmental health • Design and analysis of May 9, 2023 · This document provides an overview of quantitative research methods for students taking a Practical Research 2 course. Probabilities can be expressed at fractions, decimals, or percents. It discusses basic probability concepts like Oct 6, 2022 · Report Writing and Presentation of Data. 3 days ago · Factorial design is a statistical experimental design technique commonly used in pharmaceutical research and development. It discusses common probability terms like experiment, outcome, sample space, event, and sample point. It also defines basic terminology like experiments, trials, outcomes, and events. Statistics is the science of conducting studies to collect, organize, summarize, analyze, and draw conclusions from data. Blocking and confounding system for Two-level factorials. It describes the steps in developing a sampling design which include selecting the population, frame, unit, method and size. Jan 25, 2016 · 10. This document discusses sampling design and data collection methods. Research Methodology and Biostatistics syllabus: Medical Research: History, values in medical ethics, autonomy, beneficence, non-maleficence, double effect, conflicts between autonomy. Pawar. Biostatistics is involved in Aug 31, 2016 · c) Step Deviation Method • We divide the deviation by a common class interval and use the following formula Standard deviation=𝜎 = 𝑓𝑑2 𝑛 − 𝑓𝑑 𝑛 2 × 𝑖 Where 𝑖 = common class interval, 𝑑 = 𝒙−𝑨 𝒊 , 𝐴 = is assumed mean 𝑓 = f is the respective frequency. Regression modeling: Hypothesis testing in Simple and Multiple regressionmodels Introduction to Practical components of Industrial and Clinical Trials Problems: Statistical Analysis Using Excel, SPSS, MINITAB®, DESIGN OF EXPERIMENTS, R - Online Statistical Software’s to Industrial and Clinical trial approach Objectives of research methodology To provide with adequate level of information to plan, conduct, analyze, interpret and write up research and contribute to evidence-based medical practice. It defines key terms like sample, sampling, sampling frame, sampling unit and sampling size. Biostatistics refers to applying statistical methods to biological and medical problems. Pharm Biostatistics and Research methodology 8th Sem. It also describes non-probability sampling methods like convenience sampling Oct 10, 2015 · This document discusses different study designs used in research methodology. introduction to research methodology. pharmdbm. Additionally, it explains concepts May 12, 2017 · The probability of event A =. 11. It outlines key concepts students should understand, including developing questions that anticipate variability, understanding data distributions in terms of center, spread and shape, and summarizing and describing distributions using various graphs such Apr 23, 2023 · Himanshu Sharma. ~1%-5% or 0. Sep 2, 2016 • Download as PPTX, PDF •. pdf. Pharmdbm provides standard or well-structured Notes for Bpharm students. It defines what research is, the objectives and importance of research, and the different types of research. It covers topics related to frequency distributions, measures of central tendency, mean, weighted mean, geometric mean, harmonic mean, median, mode, measures of dispersion, range, standard deviation, correlation analysis, Karl Pearson's correlation coefficient, regression analysis, multiple regression analysis Mar 22, 2024 · 10. It defines research design and lists its key features as reliability, objectivity, validity, replicability and generalizability. It covers topics such as the definition of statistics, the collection and analysis of data, basic statistical concepts like variables and populations, different measurement scales, sampling methods, and statistical inference. In the context of pharmaceuticals, factorial design offers several advantages and applications: Oct 5, 2022 · Probability. - Real-world The probability that at birth, a human baby’s sex will be male about 1/2 or 50%. Oct 22, 2010 · Abstract. It has evolved from rudimentary practices to sophisticated, evidence-based methodologies. To equip with necessary skills to understand, critically evaluate and interpret the published medical literature. The course aims to expose students to various statistical analyses used in research, including descriptive statistics, inferential analyses, and hands-on experience using SPSS. This document discusses regression analysis and provides an example. - The four main scales of measurement: nominal, ordinal, interval, and ratio scales. ppt. Presentation on theme: "Biostatistics Unit 4 - Probability. The notes are free to download. Probability Sampling: A probability sample is one in which each member of the population has an equal chance of being selected. Graphs (Biostatistics and Research Methodology) B. Oct 28, 2023 · RAHUL PAL. Explain probability and its significance in statistical analysis. It discusses key concepts including: - The definitions and origins of statistics and biostatistics. To test the validity of our assumption we Mar 20, 2022 · The document provides an overview of biostatistics and research methodology topics. Presentation transcript: 1 Biostatistics Unit 4 - Probability. The study approach may need revising if power is insufficient. It defines three types of things that can be measured: direct observables, indirect observables, and constructs. Finally, it discusses approaches to summarizing Nov 28, 2013 · This document discusses the role of biostatistics in public health and research. Aug 8, 2023 · This document introduces a Biostatistics and Research Methodology course taught by Ravinandan A P. - the B-school 2. S. Xavier's college, maitighar,Kathmandu. Research The systematic, rigorous investigation of a situation or problem in order to generate new knowledge or validate existing knowledge. 2 Probability Probability theory developed from the study of games of chance like dice and cards. Sep 16, 2013 • Download as PPTX, PDF •. Chapter 8: Measurement and Sampling DemelashAsege. Dec 29, 2017 · This slide contains B. If you find this helpful then don’t forget to share it with your friends. Biostatistics is the application of statistics to a wide range of topics in biology. This document discusses p-values and their significance in statistical hypothesis testing. Sampling methods Probability sampling(e. Year : F. Bayes' theorem. 7. 17. 4. Oct 4, 2016 · It defines probability as the likelihood of an event occurring, expressed as a number between 0 and 1. Feb 3, 2020 · This document provides an overview of biostatistics and research methodology. 27% area; 34. Each semester notes of Bpharm are available on www. Oct 21, 2020 · This document discusses key concepts in biostatistics used in biomedical research. Pharm 8th Sem Biostatistics and research methodology, Unit-3. An endeavour to discover new or collate old facts etc by the scientific study of a subject or by a course of critical investigation. It describes two main sampling techniques - probability sampling which uses random selection, and non-probability sampling which uses non-random methods. The purpose of the Materials and Methods section of a scientific manuscript is to provide information in sufficient detail, so that another scientist working in the same field of endeavor is able to repeat the experiments and reproduce the results. Biostatistics It is the science which deals with development and application of the most appropriate methods for the: Collection of data. Collecting sample data. The course will cover basic statistical concepts, study design, data collection, analysis techniques Mar 24, 2019 · - It presents three methods for calculating binomial probabilities: the binomial probability formula, table method, and using technology like Excel. Jul 30, 2019 · This document provides an introduction to biostatistics. SreeLatha49. It explains the need for well-designed studies and important features. Course Duration: 45 Hours. Jul 30, 2012 • Download as PPT, PDF •. Sep 13, 2021 · The document discusses hypothesis, null hypothesis, and alternative hypothesis in research methodology. Sample Size • Number of individuals or the number of observations (a sample) included in the study is referred as sample size. A process like flipping a coin, rolling a die or drawing a card from a deck are called Jun 7, 2021 · Research Methodology (Biostatistics) Research is the continued search for truth using the scientific method. Dec 24, 2020 · 4. pharmacy (8th sem. biostatistics and research methodology Possoins distribution. BIOSTATISTICS AND RESEARCH METHODOLOGY (Theory) Scope: To understand the applications of Biostatics in Pharmacy. Oct 12, 2022 · Biostatistics is defined as the application of statistical methods to biological and health-related studies and it is widely used in areas like epidemiology, public health, and clinical research. Data presentation. Definitions of probability, including the frequency and subjective concepts. you can know about the central composite design, historical design, optimisation techniques and also about the TYPES OF CENTRAL COMPOSITE DESIGN, BOX-BEHNKEN DESIGN, DATA COLLECTION, CRITICISM OF DATA, PRESENTATION OF FACTS Sep 7, 2015 · It discusses: 1. Graphic and algebraic methods like scatter diagrams and calculating the coefficient can be used to study correlation. Physical methods like iontophoresis, sonophoresis, and microneedles can enhance drug transport across these barriers. A null hypothesis proposes that there is no relationship between two variables, while an alternative hypothesis proposes there is a relationship. The course covers topics such as descriptive statistics, probability, sampling methods, and probability distributions. • Researcher need it not only to know the research method or techniques but also the methodology too. Jun 10, 2019 · Sample size calculators can estimate appropriate sample sizes based on study design and expected population characteristics. The document provides information about a research methodology workshop including defining research, the different types of research, and the steps involved in designing and conducting research. It also covers different types of research designs including exploratory, descriptive, historical, case study, developmental, correlational, causal-comparative Download presentation. Jun 7, 2014 · 2. Mar 17, 2022 · This document discusses different sampling methods used in research. This document describes various statistical validation methods used to analyze finite sample data, including measures of central tendency, dispersion, skewness, correlation, and regression. Statistics is the science of collecting, organizing, summarizing, analyzing, and interpreting data. It covers topics like types of variables, measures of central tendency and dispersion, distributions of data, statistical tests for different situations, hypotheses testing and errors, measures of association, diagnostic tests, and regression analysis Sep 23, 2023 · Chapter 8: Measurement and Sampling. Different types of studies are described, including descriptive, analytical, experimental and observational designs. Factorial Design : (FD) Factorial experiment is an experiment whose design consist of two or more factor each with different possible values or “levels”. Experimental Design Techniques 5. The degree of correlation is measured by the coefficient of correlation, which ranges from -1 to 1. Download to read offline. It defines key terms like population, sample, probability and non-probability sampling, null and alternative hypotheses. . It introduces biostatistics and common statistical terms. Introduction to Research 2. 3. The document summarizes key concepts in probability and statistics as they relate to biostatistics and medical research. Dec 2, 2012 · This document provides guidance for a 6th grade statistics and probability unit of study. It covers various topics in medical ethics including: the history of medical ethics traced back to guidelines like the Hippocratic Oath; core values like autonomy, beneficence, non-maleficence; concepts like informed consent and confidentiality; criticisms of orthodox Introduction to Practical components of Industrial and Clinical Trials Problems: Statistical Analysis Using Excel, SPSS, MINITAB®, DESIGN OF EXPERIMENTS, R - Online Statistical Software’s to Industrial and Clinical trial approach. Oct 5, 2022 •. 141 likes • 54,512 views. Nov 1, 2023 · Welcome to Pharmdbm. This subject deals with descriptive statistics, Graphics, Correlation, Regression, logistic regression Probability theory, Sampling technique, Parametric tests, Non Parametric tests, ANOVA, Introduction to Design of Experiments, Phases of Clinical trials and Observational and Jan 23, 2023 · This document provides an overview of biostatistics and research methodology. A probability of 1 is equivalent to 100% certainty. Mean + 1s covers 68. Download PDF. dr. Factorial design applied in optimization techniques. Feb 2, 2016 · This document outlines an introduction to biostatistics course offered at Universiti Sultan Zainal Abidin. Scope: To understand the applications of Biostatistics in Pharmacy. DrAmrita Rastogi. - It discusses measures of central tendency and dispersion for binomial distributions and how the shape of the distribution depends on the number of trials and probability of success. Explain the hypothesis testing using one way of ANOVA. May 17, 2023 · This slide contains B. Lower p-values indicate stronger evidence against the null hypothesis. Tosif Ahmad. This presentation covers the research process, sampling, methods of data collection, normal curve, measures of central tendency, dispersion and the levels of evidence. Jun 11, 2012 · 27. May 21, 2021 • Download as PPTX, PDF •. Nov 6, 2022 · Probability Proportional to Size (PPS) Sampling • Probability proportional sampling is used in survey research when the sampling units vary in size. Research reports communicate the purpose, methodology, findings, and recommendations of a research project. To calculate the minimum sample size required for accuracy, in estimating proportions, the following decisions must be taken: 2. The probability of the birth of a Downs syndrome baby is 1/800, but increases with age until by This is a course on Biostatistics & Research Methodology, taught by Dr. g. • Sample is taken on the basis of different cluster and on the basis of proportion of the total population of each cluster • For example if sample size of 3000 is to be taken from three wards Oct 20, 2014 · This document provides an introduction to biostatistics concepts including common statistical terms like data, variables, populations, samples, parameters, and statistics. • Designing the methodology refers to the development of a system for solving the research question. It describes different types of data and measures of central tendency like mean, median, and mode. Sonali R. Asir John Samuel. 14. you face any difficulty downloading Notes then contact us directly at pharmaedu5@gmail. Jul 2, 2022 • Download as PPTX, PDF •. M. 15. 5. Methods of calculating probability, including classical and empirical approaches. It also introduces several non-parametric tests like the Wilcoxon Rank Sum test, Mann-Whitney U test, Kruskal-Wallis test, and Friedman test. Sometimes, we know the conditional probability of E1 given E2, but we are interested in the conditional probability of E2 given E1. The objectives of the course are to understand biostatistical terminology, methods, and statistical techniques; calculate measures of central tendency and variation; construct graphs; understand hypothesis testing and parametric/non-parametric tests; and apply statistical software. Read more. Discuss the sampling methods in research study. • Key purpose is to find the best Jun 23, 2017 · This document discusses the role of biostatistics in public health and research. It can be divided into descriptive statistics, which summarizes data through measures like mean, median, and standard deviation, and analytical statistics, which makes inferences about populations Jun 4, 2018 · This document discusses research design and methodology. Feb 14, 2024 · Biostatistics and Research Methodology - Regression. ly/2XlDmtwBiostatistics & Research Methodology Pla Jan 28, 2022 · This document provides an overview of biostatistics and research methodology. This document provides an overview of biostatistics and research methodology. The document discusses research methodology and defines key concepts such as research problem, objectives of research, characteristics of research, scientific method, and hypothesis. Presentation of the collected data. Calculating a sample statistic. One of the early pioneers, Florence Nightingale, the icon of nursing, worked during the Crimean war of the 1850s to improve the methods of constructing mortality tables. The key stages of the research process are described, including defining the research problem, reviewing relevant Oct 16, 2023 · Biostatistics is the methods used in dealing with statistics in the field of health sciences such as biology, medicine, nursing, public health etc. Mar 23, 2019 · DEFINITION : Quantitative research, is defined as a the systematic investigation of phenomena by gathering quantifiable data and performing statistical, mathematical or computational techniques. It describes probability sampling methods like simple random sampling, systematic sampling, stratified sampling, and cluster sampling which give all individuals an equal chance of being selected. - There are two main types of data: primary data collected directly and secondary data collected previously. The example data includes values for X, Y, deviations of X and Y from the mean, and products of the deviations. This document provides details of a biostatistics lesson for dental students, including: - The date, duration, topic, objectives and evaluation method of the lesson - A lesson plan outline covering introduction to Biostatistics And Research Methodology - Unit 2 Syllabus. Biostatistics applies statistical science to analyze problems and research in biology and health sciences. 2) It provides examples of discrete probability distributions like the binomial and Poisson distributions. 1 of 32. Lecture 1 introduces biostatistics and discusses its importance in fields like public health and medicine. ) 2 Lecture 2 organizing and displaying of data. Nov 2, 2019 · This document outlines the contents of a lecture on research methodology and biostatistics delivered by Prof. • The determination of sample size is the act of choosing the number of observation or replicates to include in a Jul 2, 2022 · This document provides an introduction to research methodology concepts including population, sample, sampling methods, hypothesis testing, and types of errors. It discusses commonly used parametric tests like the t-test, ANOVA, correlation coefficient, and regression analysis. It demonstrates how to use the normal table to find critical z-values corresponding to given probabilities and then use these z-values to calculate parameters like the mean, percentiles, and probabilities of an event occurring given the normal distribution's Oct 22, 2023 · Welcome to Pharmdbm. It then describes several common tests including z-tests, t-tests, F-tests, chi-square Apr 11, 2017 · This document provides an overview of parametric statistical tests used in pharmacology research. It will cover topics like measures of central tendency Aug 22, 2023 · Biostatics and Research Methodology. Pharm. St. Non-parametric tests like the Wilcoxon rank-sum Mar 25, 2021 · This document outlines the contents of a lecture on research methodology and biostatistics delivered by Prof. Dr. Sep 16, 2013 · Research methodology. 1) The document discusses key concepts in probability and statistics, including probability distributions, discrete and continuous random variables, and the normal distribution. It presents the classical probability formula. It discusses topics like introduction and objectives of research, the research process, literature Nov 2, 2023 · This document provides an overview of biostatistics topics including parametric and non-parametric statistical tests, sample size calculation, and factors influencing sample size. PDF PREVIEW. It defines biostatistics as applying statistics to biology, medicine, and public health. Explain regression analysis to assess the influence of independent variable on continuous variable. com 03336422555. Unit-3 L2 topic- "Introduction to Research" It contains topics: 1. Factors : Factors can be “Quantitative Dec 14, 2015 · This document provides an overview of statistical tests of significance used to analyze data and determine whether observed differences could reasonably be due to chance. Oct 8, 2021 · This document outlines the contents of a lecture on research methodology and biostatistics delivered by Prof. Oct 26, 2015 · Understanding statistics in research. May 22, 2021 · Research methods and biostatistics. It introduces the teacher, Grisel Gene P. , simple random sampling, strati ed, cluster, or multi-stage sampling) I All units have a known chance of being selected I More likely to be generalizable I Can be more expensive and time-consuming Non-probability sampling(e. The probability of an event is between 0 and 1. Nov 5, 2017 · Correlation can also be linear, nonlinear, simple, multiple, or partial. It defines key statistical terms and concepts, describes methods of data collection and presentation, discusses sampling and different sampling methods, and outlines the steps in research including defining a problem, developing objectives and hypotheses, collecting and analyzing data, and interpreting results. In this post you can download notes of Biostatistics and Research Methodology (BP801T). Download now. Aug 30, 2015 · Research methodology and biostatistics. It defines statistics as the science of gathering, presenting, analyzing, and interpreting data using mathematics and probability. Free B Pharmacy Handwritten Notes for Biostatistics And Research Methodology Unit 4 Dec 7, 2016 · This document provides an introduction to statistics and biostatistics. The sum of the probabilities of all possible outcomes is 1 or 100%. 05 4. Southern Range, Berhampur, Odisha. Salvia, and outlines topics to be covered including the nature of inquiry and research, identifying the inquiry and stating the problem, and types of variables. Oct 4, 2014 · Dr Renju Ravi. 4 likes • 293 views. It describes the different types of data including nominal, ordinal, discrete, continuous, and time-to-event survival data. At each selection , all remaining items have same chance of being selected. The normal distribution is described as the This document provides an overview of an introductory biostatistics course. Regression: Probability: Definition of probability, Binomial distribution, Normal distribution, Jun 3, 2015 · SIMPLE RANDOM SAMPLING The sample is a simple random sample if any of the following is true (Chou) – All items selected independently. Unit 4 editing and coding (2) Hanan's presentation. 12 likes • 10,764 views. Puspendra. Apr 30, 2021 · The eye has multiple barriers that limit drug penetration, including the tear film, cornea, conjunctiva, sclera, and blood-retinal barrier. Need for Research 3. preformulation Venkatesh Daggumati. Statistical power must be considered to ensure sample sizes are large enough to detect real effects if present. It provides details on formulating the research problem, reviewing literature, and formulating a hypothesis. It also covers different types of probability like classical, statistical, and subjective probability. All the possible samples of a given size are equally likely to be selected. com. Further, suppose we know that if a person has lung cancer Jun 19, 2024 · 15. It defines key biostatistics concepts like population and parameter. Sep 2, 2016 · Biostatistics. 01 and 0. 9. Jan 7, 2024 · This document discusses statistics and biostatistics. Y. For example, suppose that the probability of having lung cancer is P(C) = 0:001 and that the probability of being a smoker is P(SM) = 0:25. Data presentation Lecture. Nov 1, 2023 · PDF | Biostatistics: Definition, application, sample size, importance of sample size, factors influencing sample size, dropouts, statistical tests of | Find, read and cite all the research you Dec 21, 2022 · Probability_and_Statistics_lecture_notes_1. Decide on a reasonable estimate of key proportions (p) to be measured in the study 3. It covers various topics in medical ethics including: the history of medical ethics traced back to guidelines like the Hippocratic Oath; core values like autonomy, beneficence, non-maleficence; concepts like informed consent and confidentiality; criticisms of orthodox May 22, 2021 · Research methodology • It is a technique of systematically answering the research question. They contain descriptions of the methodology used, results obtained, and recommendations made. z Area under normal distribution The area under normal curve is distributed as follows : It is approximately 68 per cent of all the values in a normally distributed population that lie within 1 standard deviation (plus and minus) from the mean (Figure a). Ravinandan A P. 2. Sep 3, 2010 · Hypothesis testing refers to 1. Authors are entitled to a justified decision on the publication or not of their work. Quantitative research gathers information from existing and potential customers using sampling methods and sending out online surveys, online polls Preamble. FD technique introduced by “Fisher” in 1926. 237 likes • 131,858 views. Descriptive Statistics. Biostatistics and Research Methodology is a graduate-level course designed to provide students with the foundational knowledge and skills necessary to understand and apply statistical methods in biomedical and public health research. Mar 7, 2024 · This document provides examples of using the normal distribution and standard normal distribution to solve various probability problems. Sep 6, 2012 •. This document provides an overview of research methods and biostatistics. In probability sampling, randomness is the element of control. This document provides an overview of statistics and biostatistics. 34 likes • 29,521 views. Using the sample statistic to evaluate the hypothesis (how likely is it that our hypothesized parameter is correct. Basics of Biostatistics. Application of statistical methods in biomedical research began more than 150 years ago. It explains how to calculate the regression equation for X on Y and Y on X using the deviation method. 128 likes • 35,999 views. This document discusses various concepts related to measurement and sampling in research. • Main goal of the selection of sample size is to make an inference about population. It defines key terms like population, sample, parameters, statistics, and hypotheses. It begins with definitions of key concepts like independent and dependent variables. POISSON DISTRIBUTION Shaikh Sabina Meraj Assistant Professor Y B Chavan College of Pharmacy. ch ab tl xh gj wk yt rk mv ll