| tf2 | F Test for Two Variances |
| tq2a | Chi-Square Goodness-of-Fit Test |
| tq2h | Chi-Square Test of Homogeneity |
| tq2i | Chi-Square Test of Independence |
| tt1 | One-Sample t Test |
| tt2d | Two-Sample t Test with Unequal Variances |
| tt2i | Two-Sample t Test with Equal Variances |
| tt2p | Paired t Test |
| tz1 | One-Sample Z Test |
| tz2 | Two-Sample Z Test |