15. What is the correct decision? A. Reject the alternative hypothesis B. Reject the null hypothesis C. Do not reject the alternative hypothesis D. Do not reject the alternative hypothesis.

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A: Given that  The data are 67, 87, 92, 86, 83, 85, 72, 65, 68, 73, 98, 78, 61, 90, 85, 84, 83, 72

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