Burger King Restaurants regularly survey customers to determine how well they are doing. Suppose that a survey
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Burger King Restaurants regularly survey customers to determine how well they are doing. Suppose that a survey asked customers to rate (among other things) the speed of service. The responses are
1 = Poor
2 = Good
3 = Very good
4 = Excellent
The responses for the day shift and night shift were recorded. Can we infer that night shift customers rate the service differently than the day shift?
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