Mr.Johnson has collected data from 100 people assessing their attitudes toward a recent referendum.He has calculated $\Sigma X^{2}$ = 470 and $(\Sigma X)$ = 150.Calculate the estimated population standard deviation for his data.

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The Answer of Mr.Johnson has collected data from 100 people assessing their attitudes toward a recent referendum.He has calculated $\Sigma X^{2}$ = 470 and $(\Sigma X)$ = 150.Calculate the estimated population standard deviation for his data.

MrJohnson Has Collected Data from 100 People Assessing Their Attitudes ΣX2\Sigma X^{2}ΣX2

MrJohnson Has Collected Data from 100 People Assessing Their Attitudes $\Sigma X^{2}$