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Monthly Archives: January, 2023

How to Generate a Random Sample using Excel

The sampling technique of simple random sampling is a sampling method that provides equal opportunities for each member of the population to be selected...

Formula to Calculate Analysis of Variance (ANOVA) in Regression Analysis

In regression analysis, both simple linear regression and multiple linear regression, it is necessary to conduct an analysis of variance calculation to find the...

Paired Sample T-test: Definition, Analysis Stage, and Interpreting the Results

Researchers often use the t-test to analyze differences in two sample groups. The t-test that researchers often use consists of the paired sample t-test...

How to Find Residual Value in Multiple Linear Regression using Excel

Residual values in linear regression analysis can be used to test for normality. In addition, the heteroscedasticity test also requires the variance value of...

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