Primary vs Secondary Data Difference between Primary and Secondary Data: The data is a set of values of qualitative or quantitative variables. In statistics, the data are the individual observations. The scientific investigations involve observations on variables. The observations made on these variables are obtained in the form of ‘data’. […]
CSIR JRF NET JUNE – 2018 (I) Life Sciences Solved Question Paper (PDF) Original / Official Solved Question Paper of NTA CSIR JRF NET Life Sciences (Junior Research Fellowship / National Eligibility Test) Examination June 2018 with Answer Key. You can download this question paper as PDF file for the […]
Completely Randomized Design (CRD), Randomized Block Design (RBD), Latin Square Design (LSD) – Advantages and Disadvantages In the previous post, we have discussed the Principles of Experimental Designs. There we discussed the concept of Experimental design in statistics and their applications. In the present post, we will discuss different types […]
What is a statistical experiment? Ø An experiment is a plan for the collection and analysis of data. Ø “It is a controlled act through which data are collected according to some pre-determined objective”. Ø The observations obtained from a carefully planned and well-designed experiment in advance only gives valid inferences. […]
Hypothesis Testing PPT: What is Hypothesis Testing? What is Test Statistic? Statistical Hypothesis, p-Value, What is ‘Test of Hypothesis’, What is the purpose of Hypothesis Testing? What is Hypothesis? Types of Hypothesis, Research Hypothesis, Statistical Hypothesis, Null Hypothesis, Alternative Hypothesis, How to state the statistical hypothesis? Things to remember when […]