Solution-Compute the pooled estimate of the population

Compute the pooled estimate of the population variance

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Reference no: EM132972720

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 ($)138 136 147 161 132 147
Audit ($) 131 103 132 132 114 107 132

The population standard deviations are unknown but assumed to be equal. 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 your answer to 3 decimal places.)

b.Compute the pooled estimate of the population variance.(Round your answer to 2 decimal places.)

Reference no: EM132972720

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Compute the pooled estimate of the population variance

Reference no: EM132972720

Reference no: EM132972720

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