Mathematics, 12.08.2020 05:01 BECKX2510
The service manager of a car dealer wants to determine if owners of new cars (A) tune up their cars more frequently than owners of older cars (B). From his records he takes a random sample of ten new cars and ten older cars and determines the number of times the cars were tuned up in the last 12 months. The data are given in Tune ups. xlsx . They want to determine if new car owners (A) tune up their cars more frequently than older car owners (B). What is the rejection region at 10% significance level?
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The service manager of a car dealer wants to determine if owners of new cars (A) tune up their cars...
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