t_test

Student’s t-test p-value.

Syntax

v = t_test(array1, array2, tails, type)

Description

Returns the p-value for a t-test. tails: 1 (one-tailed) or 2 (two-tailed). type: 1 (paired), 2 (two-sample equal variance), 3 (two-sample unequal variance / Welch).

Example

t_test([1 2 3 4], [3 4 5 6], 2, 2)

See also

• t_dist — Student’s t left-tail PDF or CDF.
• f_test — F-test for equal variances (two-tailed p-value).
• z_test — One-sample z-test p-value (right-tail).