In performing a regression analysis which of the following must be true about the distribution of the error variable?

a. The distribution is normal with mean zero.
b. The errors associated with one y value are independent of errors associated with another y value.
c. The standard deviation is constant for each value of x.
d. All of these choices are true.


D

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Which of the following would probably be a variable cost at a college?

A) salary of the head janitor B) cost of registration forms C) salary of the college president D) none of the answers are correct

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Choudhury Corporation is considering the following three investment projects (Ignore income taxes.): Project HProject IProject JInvestment required$11,000 $53,000 $89,000 Present value of cash inflows$12,980 $61,480 $96,120 The only cash outflows are the initial investments in the projects.Required:Rank the investment projects using the project profitability index.

What will be an ideal response?

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Shaun is planning to invest $570 in a mutual fund at the end of each of the next eight years. If his opportunity cost rate is 6 percent compounded annually, how much will his investment be worth after the last annuity payment is made? Use a financial calculator to determine the amount.?

A. $5,055? B. ?$5,642 C. ?$5,868 D. ?$6,026 E. ?$6,222

Business

If a United States Savings bond can be purchased for $29.50 and has a maturity value of $100 at the end of 25 years, what is the annual rate of return on the bond?

A) 5 percent B) 6 percent C) 7 percent D) 8 percent

Business