Mathematics, 16.07.2019 16:30 golderhadashaowtatz

Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. he finds the mean is 14. his steps for finding the standard deviation are below. what is the first error he made in computing the standard deviation

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Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. he finds th...

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