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A sample of 10 people has the following ages: 21, 22, 23, 24, 25, 26, 27, 28, 29, 30. Calculate the mean, median, mode, variance,

A sample of 10 people has the following ages: 21, 22, 23, 24, 25, 26, 27, 28, 29, 30. Calculate the mean, median, mode, variance, and standard deviation of this sample.

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