List of formulas and concepts related to the hypothesis about the type of distribution:

List of formulas for total, within-group and between-group variance: Total variance (S²): where (N) is the total number of observations, (X_i) is each observation, (\bar{X}) is the mean of all…

The formula for calculating the Spearman rank correlation coefficient: Substitute the values ​​into the formula. Assign ranks to each value in the two data sets. Calculate the rank difference (d_i)…

The Fechner correlation coefficient, also known as the rank correlation coefficient, is used to estimate the degree of relationship between two variables. Here are some formulas related to this coefficient: