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

question 28

Essay

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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Definitions:

Marginal Product

The additional output resulting from using one more unit of a particular input, holding other inputs constant.

Value of the Marginal Product

The additional revenue generated by employing one more unit of a factor, such as labor or capital.

Profit-Maximizing

A strategy or process by which a business seeks to generate the highest possible profit from its operations.

Marginal Product

The additional output a firm produces as a result of hiring one more unit of input, such as labor or capital, holding all other factors constant.