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Fast Food Drive-Through Service Times Listed below are drive-through service times (sec-onds) recorded at McDonald's during dinner times (from Data Set 25 Fast Food in

Fast Food Drive-Through Service Times Listed below are drive-through service times (sec-onds) recorded at McDonald's during dinner times (from Data Set 25 "Fast Food" in Appendix B). Assuming that dinner service times at Wendy's have standard deviation s = 55.93 sec, use a 0.01 significance level to test the claim that service times at McDonald's have the same variation as service times at Wendy's. Should McDonald's take any action?

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