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A researcher is using a chi-square test to determine

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Reference no: EM13585429

A researcher is using a chi-square test to determine whether there are any preferences among four brands of cola. With = .05 and a sample of n = 30, what is the boundary for the critical region for the hypothesis test?

A) 7.81

B) 9.49

C) 42.56

D) 43.77

Reference no: EM13585429

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