Mathematics, 27.06.2019 01:10 Undrea43

Auniversity claims that the mean time professors are in their offices for students is at least 6.5 hours each week. a random sample of eight professors finds that the mean time in their offices is 6.2 hours each week. with a sample standard deviation of 0.49 hours from a normally distributed data set, can the university’s claim be supported at α=0.05?

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