Statistics Tools

Calculate mean, median, mode, variance, and standard deviation

Create frequency tables and histograms from raw data

Calculate basic probabilities and combinatorics

Calculate Z-scores and probabilities for normal distribution

Calculate t-values and probabilities for small samples

Goodness of fit and test of independence

Calculate Pearson, Spearman, and Kendall correlations

Simple and multiple linear regression analysis

Analysis of variance for comparing group means

Z-test, t-test, and other hypothesis tests

ARIMA, exponential smoothing, and trend analysis

PCA, factor analysis, and cluster analysis

Bayesian inference and posterior probability calculations

Mann-Whitney U, Kruskal-Wallis, and Wilcoxon tests