Question

Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample information.

Sales ($)	129	137	142	162	137	145
Audit ($)	131	103	132	132	140	107	132

At the 0.010 significance level, can she conclude that the mean daily expenses are greater for the sales staff than the audit staff?

A.) State the Decision Rule: (Round to 3 decimal places)

B.)Compute the pooled estimate of the population variance. (round 2 decimal places)

C.) Compute the test statistic. (round 3 decimal places)

Answer 1

Solution:

Done