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How to solve this step by step from mem NF 20 16 4 15. Calculate variance and standard deviation for the following sample of scores:

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from mem NF 20 16 4 15. Calculate variance and standard deviation for the following sample of scores: 361653 a. s = 2; s = 4 b. s = 3; s' = 9 C. S = 4; s= = 16 d. None of the above

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