A Company Studying the Productivity of Their Employees on a New

question 27

Multiple Choice

A company studying the productivity of their employees on a new information system was interested in determining if the age $( X )$ of data entry operators influenced the number of completed entries made per hour (Y) . The regression equation is $\hat { y } = 14.374 - 0.145 x$ . If $s _ { x } = 14.04$ and $s _ { y } = 2.61$ , then the correlation coefficient between age and productivity is

• A) \(.779\)
• B) \(- .236\)
• C) \(.575\)
• D) \(- .929\)
• E) \(- .779\)

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Definitions:

Capital Accounts

Accounts on a company's balance sheet that represent the cumulative amount of equity invested by shareholders and retained earnings.

Net Income

The profit of a company after all expenses and taxes have been deducted from total revenue.

Noncumulative

Pertaining to dividends, a feature allowing a company not to pay dividends in arrears to its shareholders.

Treasury Stock

Equities that were once sold to investors and later re-purchased by the entity that issued them, effectively reducing the quantity of stocks traded publicly.