THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 102

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A market researcher is interested in the average amount of money spent per year by college students on clothing.From 25 years of annual data,the following estimated regression was obtained through least squares:
y_t = 48.75 +
+
+
where the numbers in parentheses below the coefficients are the coefficient standard errors,and
y = Expenditure per student,in dollars,on clothes
x₁ = Disposable income per student,in dollars,after the payment of tuition,fees,and room and board.
x₂ = Index of advertising,aimed at the student market,on clothes
-Why is the use of dummy variables and multiple regression important in experimental design?

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Definitions:

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time, used in capital budgeting to analyze the profitability of an investment.

After-tax Salvage Value

The estimated value of an asset at the end of its useful life, after deducting any taxes owed from its disposal.

Required Rate of Return

The minimum expected return an investor demands for the risk associated with holding an investment.

Operating Cash Flow

The cash generated from the normal operating activities of a business over a specific period.