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Independent sample t test for comparison of travel cost

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Ms Moline is the budget director for Nexus Media Inc. She is comparing travel costs for sales and the audit staff. She collected the following sample data:

Sales Audit
131 130
135 102
146 129
165 143
136 149
142 120

At the .10 level of significance can she conclude that the daily expenses are greater for the sales staff than they are for the auditing staff?

In addition please provide:
problem definition
conclusion and recommendation
all key point(s) on graphics must be explained

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Independent sample t test for comparison of travel cost.

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