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Average number of sports that colleges

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A researcher hypothesized that the average number of sports that colleges offer for males is greater than the average number of sports that colleges offer for female. At α = .10 is there enough evidence to support the claim?

Males: Average = 8.6 standard deviation = 3.3 n=50

Females: Average = 7.9 standard deviation = 3.3 n=50

NEED TO USE A Z TEST! I know the answer is -15 I just need to show work to get there. Please help!

Reference no: EM132004956

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