Question: 13 Find the variance and standard deviation for the given set of sample data (the same as in #12). Show work. 21, 29, 12, 14,

13 Find the variance and standard deviation for the given set of sample data (the same as in #12). Show work. 21, 29, 12, 14, 15, 25, 24, 25, 31, 16, 10, 18

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