List of mathematical formulas: “Hypothesis about the type of distribution
List of formulas and concepts related to the hypothesis about the type of distribution:
List of mathematical formulas: “Total, within-group and between-group variance
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…
List of mathematical formulas: “Spearman’s rank correlation coefficient“
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)…
List of mathematical formulas: “Fechner correlation coefficient“
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: