t-test for two means
| t test Calculator for two means | ||
|---|---|---|
| Sample 1 | Sample 2 | |
| Mean | ||
| Standard Deviation | ||
| Sample Size | ||
| Variances | Equal | Unequal |
| Level of Significance ($\alpha$) | ||
| Tail | Left tailed Right tailed Two tailed | |
| Results | ||
| Standard Error of Diff. of Means: | ||
| Test Statistics t: | ||
| Degrees of Freedom: | ||
| t-critical value(s): | ||
| p-value: | ||