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
