# In testing the equality of the two means below, what is the test statistic?

In testing the equality of the two means below, what is the test statistic? (Use the equal variances formula).

Sample 1 Sample 2

Sample size 12 8

Sample mean 115 80

Sample variance 700 450

A) 0.28 B) 3.27 C) 2.37 D) 0.14

© BrainMass Inc. brainmass.com June 3, 2020, 10:32 pm ad1c9bdddfhttps://brainmass.com/statistics/hypothesis-testing/equal-variances-formula-test-statistic-example-236257

#### Solution Summary

A complete, neat and step-by-step solution is provided with calculations and the answer in plain text.

$2.19