# Assumptions of t-test and z-test

What sufficient assumptions are necessary to be able to utilize a z test or a t test?

© BrainMass Inc. brainmass.com June 3, 2020, 6:31 pm ad1c9bdddfhttps://brainmass.com/statistics/students-t-test/assumptions-of-t-test-and-z-test-63329

#### Solution Preview

The assumptions with t-test are:

1) The observations must be ...

#### Solution Summary

Assumptions of t-test and z-test.

$2.19