In this article we will discuss about the Regression Analysis and Regression Lines in Statistics. Meaning of Regression: Regression means to return or come back. It is used in the cases where the values of data of two or more series tend to return toward the mean of the series. Sir Francis Galton observed that tall fathers produced tall sons [...]
The following points highlight the top four types of tests of significance in statistics. The types are: 1. Student's T-Test or T-Test 2. F-test or Variance Ratio Test 3. Fisher's Z-Test or Z-Test 4. X2-Test (Chi-Square Test). Test of Significance: Type # 1. Student's T-Test or T-Test: It is one of the simplest tests used for drawing conclusions or interpretations [...]
In this article we will discuss about Sampling in Statistics:- 1. Subject-Matter of Sampling 2. Sampling Designs 3. Selection of Samples 4. Selection of Appropriate Sampling Method 5. Sampling and Non-Sampling Errors. Contents: Subject-Matter of Sampling Sampling Designs Selection of Samples Selection of Appropriate Sampling Method Sampling and Non-Sampling Errors 1. Subject-Matter of Sampling: The total number of individuals belonging [...]