Statistics

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

Calculate Pearson and Spearman correlation between two datasets

Fit a linear regression model and make predictions

Calculate PDF, CDF, and inverse CDF for common distributions

Perform t-tests and z-tests with p-value calculations

Calculate confidence intervals for means and proportions

Calculate probabilities and z-scores for the normal distribution

Generate random numbers from various statistical distributions

Calculate required sample size for surveys and experiments

Perform chi-squared test of independence on contingency tables

Calculate five-number summary, IQR, and detect outliers for multiple datasets

Calculate posterior probabilities using Bayes' theorem

Calculate SMA, EMA, and WMA for time series data

Detect outliers using Z-score or IQR methods