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Find the sample variance and standard deviation. 21 16 5 8 12

Find the sample variance and standard deviation. 21 16 5 8 12

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Varaince Calculation

Mean = (21+16+5+8+12)/5 = 62/5 = 12.4

Varinace = 40.3

Standard Deviation Calculation

Standard Deviation = sqrt(Variance) = sqrt(40.3)

Standard Deviation = 6.3482

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