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Mathematics, 01.07.2021 15:30 endermss6220

Income of College Students'Parents A large university reports that the mean salary of parents of an entering class is $91,600. To see how this compares to his university, a president surveys 28 randomly selected families and finds that their average income is $88,500. If the standard deviation is $10,000, can the president conclude that there is a difference? At α = 0.10, is he correct?

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