A ski company in Vail owns two ski shops, one on the west side and one on the east side of Vail. Ski hat sales data (in dollars) for a random sample of 5 Saturdays during the 2004 sea- son showed the following results. Is there a significant difference in sales dollars of hats between the west side and east side stores at the 5 percent level of significance?,(a) State the hypotheses.,(b) State the decision rule and sketch it.,(c) Find the test statistic and state your Hats conclusion.

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