# Hypothesis testing problem for mean

The experimental group has mean of 38, control group has mean of 35.

The standard deviations are 3 and 5, respectively.

At the 5% level, what is the conclusion?

The 20 in the experimental group had extra class time, the 30 in the control group did not.

© BrainMass Inc. brainmass.com June 4, 2020, 12:31 am ad1c9bdddfhttps://brainmass.com/statistics/hypothesis-testing/hypothesis-testing-problem-mean-343716

#### Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed in this solution.

$2.19