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A student took five exams in a course last semester. The scores are shown below. 84, 95, 94, 96, 90 Calculate the mean, variance

A student took five exams in a course last semester. The scores are shown below. 84, 95, 94, 96, 90 Calculate the mean, variance and standard deviation. Round to 4 decimal places when needed and use rounded answers for future calculations. The mean is = The variance is o The stan =

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