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1. Six randomly selected college students were asked to state the number of hours they slept last night. Here are their answers: 8, 6, 9,

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1. Six randomly selected college students were asked to state the number of hours they slept last night. Here are their answers: 8, 6, 9, 7, 10, 5. a) Calculate the range, mean, variance, and stande deviation. b) Interpret the mean and standard deviation

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