Between Wendy's and Mcdonald's which drive through window is faster? To answer this question a random sample of service

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Between Wendy's and Mcdonald's which drive through window is faster? To answer this question a random sample of service

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Between Wendy S And Mcdonald S Which Drive Through Window Is Faster To Answer This Question A Random Sample Of Service 1
Between Wendy S And Mcdonald S Which Drive Through Window Is Faster To Answer This Question A Random Sample Of Service 1 (28.42 KiB) Viewed 34 times
Between Wendy's and Mcdonald's which drive through window is faster? To answer this question a random sample of service times for each restaurant was measured. At Wendy's, 213 cars were timed and they were served in an average time of 149.85 seconds with a standard deviation of 21.82; At Mcdonalds 202 cars were timed and were served in an average time of 154.43 seconds with a standard deviation of 23.64. Can we infer from this study that there are differences in service times between the two chains? Use alpha =.05
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