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June Has Obtained a Sample of 150 People from Their ΣX2\Sigma X^{2}

Question 23

Essay

June has obtained a sample of 150 people from their school records about their career aptitude.She has calculated ΣX2\Sigma X^{2} = 867 and (∑X)2\left(\sum X\right)^{2} = 38,427.Calculate the sample standard deviation for these data.

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