Exercise 10-43 (Algo) (L010-6) A national grocer's magazine reports the typical shopper spends 5.5 minutes in line waiting to check out. A sample of 23 shoppers at the local Farmer Jack's showed a mean of 5.2 minutes with a standard deviation of 31 minutes Is the waiting time at the local Farmer Jack's less than that reported in the national magazine? Use the 0.010 significance level a. What is the decision tule? (Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.) licos Roject H 55 when the lost statistici less than b. Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.) Value of the test statistic