A national grocer’s magazine reports the typical shopper spends 7 minutes in line waiting to check out. A sample of 17 shoppers at the local Farmer Jack’s showed a mean of 6.4 minutes with a standard deviation of 4.3 minutes.
Is the waiting time at the local Farmer Jack’s less than that reported in the national magazine? Use the 0.050 significance level.
Reject H0: μ > 7 and fail to reject H1: μ <7 when the test statistic is (less than/greater than/equal to),__________ ?
Reject H_{0}
Do not reject H_{0}
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