List of mathematical formulas: “Discrete variational series
A discrete variation series is a sequence of values that is used to analyze and present data. Here are some basic formulas and concepts related to discrete variation series:
List of mathematical formulas: “Variance formula, standard deviation, coefficient of variation
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List of mathematical formulas: “Asymmetry and kurtosis of the empirical distribution
List of formulas for skewness and kurtosis of empirical distribution: 1. Asymmetry (Skewness) Skewness measures the degree and direction of a distribution’s deviation from symmetry. The formula for calculating skewness…
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: