Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily travel

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Home>Mathematics homework help>Numerical analysis homework help>Ms. Lisa Monnin is the budget director for Nexus Media Inc. She would like to compare the daily travel

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 ($) 129 133 147 159 138 143 Audit ($) 125 98 128 135 145 117 141 Click here for the Excel Data File At the 0.005 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 your answer to 3 decimal places.) (b) Compute the pooled estimate of the population variance. (Round your answer to 2 decimal places.) (c) Compute the test statistic. (Round your answer to 3 decimal places.)