Hypothesis Testing

Test whether two categorical variables are statistically independent.

Perform a chi-square test of independence from a pre-calculated contingency table.

Conduct Cox Proportional Hazard Regression to model survival times and analyze predictor impacts.

Run OLS linear regression with full diagnostics and interpretable output.

Conduct logistic regression analysis to model categorical outcomes and assess predictor impact.

Conduct survival analysis to model time-to-event data and compare survival patterns.

Compare a sample mean to a hypothesized population value.

Perform a one-way analysis of variance (ANOVA) and post-hoc Tukey tests.

Perform a hypothesis test of a mean using summary statistics.

Perform a hypothesis test of a proportion using summary statistics.

Perform a two-sample independent t-test using summary statistics.

Perform a two-sample independent t-test to compare means between two groups.

Perform a paired two-sample t-test to compare means between related observations.