Joan moves into her new apartment and wants to purchase a newcouch. She wants to determine if the average cost of couches atStore 1 is cheaper than Store 2. At Store 1 the average cost of 20couches is $650 with a standard deviation of $61. At Store 2 theaverage cost of 22 couches is $730 with a standard deviation of$78. At alpha = .05, what are the results if you want to determinethat Store 1 is cheaper than Store 2 in couch prices? Accept H0,the test statistic is greater than -2.021. Reject H0 the teststatistic is less than -2.021. Accept H0 the test statistic isgreater than -1.684. Reject H0 the test statistic is less than-1.684.
