Question: Use the following data to test at the 0.05 significance level that the treatment group has scores that vary more than the scores of the placebo group.

Treatment Placebo

n = 22 n = 22

\(\bar{X}=4.20\) \(\bar{X}=1.71\)

s = 2.20 s = 0.72

1. State the null and alternative hypotheses
2. Find the F test statistics
3. Give the number of degrees of freedom.
4. Find the critical value
5. State the conclusion

Price: $2.99

Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document