Mathematics, 13.09.2019 17:30 smithmekayla

(co 4) in a sample of 8 high school students, they spent an average of 24.8 hours each week doing sports with a sample standard deviation of 3.2 hours. find the 95% confidence interval, assuming the times are normally distributed.
(21.60, 28.00)
(22.12, 27.48)
(22.66, 26.94)
(24.10, 25.50)

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(co 4) in a sample of 8 high school students, they spent an average of 24.8 hours each week doing sp...