Statistical Inference Tools

Confidence Intervals, Hypothesis Tests and Distribution Analysis

Use these free statistical inference tools to calculate confidence intervals, perform hypothesis tests, evaluate distributions and apply non-parametric methods for inferential statistics.

Hypothesis Test for means difference with unknowm population variances

Data

Confidence Level (%)

Test Type:

Mean 1 (μ₁) greater than Mean 2 (μ₂)

Mean 1 (μ₁) lesser than Mean 2 (μ₂)

Mean 1 (μ₁) different than Mean 2 (μ₂)

Use first row as variable names

Web of Statistics

Statistical Inference Tools

Confidence Intervals, Hypothesis Tests and Distribution Analysis

Hypothesis Test for means difference with unknowm population variances