DocsT-Test
Analyze — Statistical Methods
T-Test
A two-sample t-test compares the means of two numeric columns to see if the difference between them is statistically significant.
Quick Start
- 1
Select at least two numeric columns
You'll pick which two to compare in the next step.
- 2
Choose Two-sample t-test
Pick Column A and Column B, and decide whether to assume equal variance.
- 3
Run and read the results
Results render inline once the job completes.
Fields
Column AThe first numeric column to compare. Required.Column BThe second numeric column to compare. Required, and must be different from Column A.Assume equal varianceOff by default, which runs Welch's t-test. Turn on to run Student's t-test instead.Good to know
- Welch's t-test (the default) doesn't assume the two columns have equal variance — it's the safer default when you're not sure.
- Only turn on "assume equal variance" if you have reason to believe the two groups have similar spread.
- Column A and Column B must be different — the Run button stays disabled until they are.