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A) null hypothesis and alternative hypothesis B) determine test statisticC) fine the value of the test statisticAt the 0.05 level can the owner conclude that

A) null hypothesis and alternative hypothesis B) determine test statisticC) fine the value of the test statisticAt the 0.05 level can the owner conclude that the mean daily sales of Store 2 exceeds that of Store1?

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The owner of a chain of mini markets wants to compare the sales performance of two of her stores, Store 1 and Store 2. Though the two stores have been comparable in the past, the owner has made several improvements to Store 2 and wishes to see if the improvements have made Store 2 more popular than Store 1. Sales can vary considerably depending on the day of the week and the season of the year, so she decides to eliminate such effects by making sure to record each store 5 sales on the same 12 days, chosen at random. She records the sales. (in dollars) for each store on these days, as shown in the table below. Store 2 Difference . . ' ._ _ (Store 1 - Store 2) 73 125 ' 97 I 157 Send data to caliclr v') Based on these data, can the owner conclude, at the 0.05 level of significance, that the mean daily sales of Store 2 exceeds that of Store 1? Answer this '7 question by performing a hypothesis test regarding pd (which is y. with a letter "-d" subscript), the population mean daily sales difference between the two ' ' ' ' stores. Assume that this population of differences (Store 1 minus Store 2) is normally distributed. Perform a one- -tailed test. Then complete the parts below Carry your intermediate computations to three or more decimal places and round your answers as , r. , specied. (If necessary, consult a list of formulas.) ' (a) State the null hypothesis H0 and the alternative hypothesis H1. _ . ' , ,7 . ' . - I SubmitAs

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