The Mean Age at First Marriage for Respondents in a Survey

question 4

Short Answer

The mean age at first marriage for respondents in a survey is 23.33,with a standard deviation of 6.13.Calculate the Z score associated with an observed age at first marriage of 25.50 and provide a substantive interpretation of this quantity.

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Definitions:

NPV

or Net Present Value, is a financial metric used to evaluate the profitability of an investment or project, calculating the difference between the present value of cash inflows and outflows.

Net Present Value

Calculating the variance between the present-day value of cash flows in and out over an established timeframe.

Average Accounting Return

The ratio of average net income to average invested capital, often used in financial analysis to assess investment attractiveness.

Profitability Index

A financial metric that calculates the ratio of the present value of future cash flows from an investment to the initial investment cost, used to evaluate the desirability of projects.