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IN BIGVILLE, A FAST-FOOD CHAIN FEELS IT IS GAINING A BAD

IN BIGVILLE, A FAST-FOOD CHAIN FEELS IT IS GAINING A BAD

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Author: Christine Farr
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http://theperfecthomework.com/in-bigville-a-fast-food-chain-feels-it-is-gaining-a-bad-reputation-because-it-takes-too-long-to-serve-the-customers/

In Bigville, a fast-food chain feels it is gaining a bad reputation because it takes too long to serve the customers. Because the chain has four restaurants in this town, it is concerned with whether all four restaurants have the same average service time. One of the owners of the fast-food chain has decided to visit each of the stores and monitor the service time for five randomly selected customers. At his four noon-time visits, he records the following service times in minutes. Do all the restaurants have the same mean service time? (Use a = 0.05) Restaurant 1 345.53.54Restaurant 2 33.54.545.5Restaurant 3 23.556.56Restaurant 4 345.52.53

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