Posted by **Trey** on Sunday, October 11, 2009 at 10:15am.

The ____________ is a hypothesis-testing procedure in which there are two separate groups at people tested and the population variance is not known.

- t test for dependent means

- t test for a single sample

- t test for independent means

- t test for repeated measures

- Statistics -
**Writeacher**, Sunday, October 11, 2009 at 10:16am
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