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Testing of hypothesis of expenses

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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 ($) 131 135 146 165 136 142
Audit ($) 130 102 129 143 149 120 139

At the .10 significance level, can she conclude that the mean daily expenses are greater for
the sales staff than the audit staff? What is the p-value?

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