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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? Click here for the Excel Data File Required: a. State the decision rule. (Round your answer to 3 decimal places.) Reject Ho if t> 2.718

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? Click here for the Excel Data File Required: a. State the decision rule. (Round your answer to 3 decimal places.) Reject Ho if t> 2.718

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 ($) 129 137 142 Audit ($) 131 103 132 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? Click here for the Excel Data File 162 137 145 132 140 107 132 Required: a. State the decision rule. (Round your answer to 3 decimal places.) Reject Ho if t> 2.718 b. Compute the pooled estimate of the population
Transcribed Image Text: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 ($) 129 137 142 Audit ($) 131 103 132 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? Click here for the Excel Data File 162 137 145 132 140 107 132 Required: a. State the decision rule. (Round your answer to 3 decimal places.) Reject Ho if t> 2.718 b. Compute the pooled estimate of the population
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