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The manager of Collins Import Autos believes the number of cars sold in a day (Q) depends on two factors:
(1) the number of hours the dealership is open (H) and (2) the number of salespersons working that day
(S). After collecting data for two months (53 days), the manager estimates the following log-linear model:
Q = aHbSc a. Explain how to transform the log-linear model into a linear form that can be estimated usingmultiple regression analysis.
b. How do you interpret coefficients b and c? If the dealership increases thenumber of salesperson by 20 percent, what will be the percentage increase in daily sales?
c. Test theoverall model for statistical significance at the 5 percent significance level.
d. What percent of the totalvariation in daily auto sales is explained by this equation?
e. Test the intercept for statistical significance atthe 5 percent level of significance. f. Test the estimated coefficient b for statistical significance.
Suppose that an investor has a choice between buying this security or purchasing a different security that also costs $3,000 today but pays off $3,300 with certainty in one year. How is an investor's choice of which security to purchase related to..
Suppose the production manager is told to minimize the short-run total cost of producing Q units of output. While total output Q is exogenous, the manager can choose how much to produce at plant 1 (Q1) and at plant 2 (Q2), as long as Q1 + Q2 = Q.
Suppose that two players are playing the following game. Player A can choose either Top or Bottom, and Player B can choose either Left or Right. The payoffs are given in the following table: Player B LEFT RIGHT
What is the optimal price of the textbook from the author's point of view and by how much would the demand for the textbook change if advertising were increased by 2%?
A Man is planning to retire in 20 years. He can deposit money for his retirement at 6% compounded monthly. It is estimated that the future general inflation rate will be 5% compounded annually. What deposit must be made..
The income statement of Rolls Royce Group Plc., a U.K. automotive manufacturer, for the year ended December 31, 2007, reported revenues of £7,435 and cost of sales of £6,003. In addition, it reported other operating expenses of £918, a loss of £2 ..
Given: 1 pound of fertilizer (F) produces 20 Spinach plants and 1 pound of Manure (M) produces 300 spinach plants. The price of F=$5 and price of M=$10. Suppose we want to produce 300 spinach plants at the lowest cost possible.
Tony owns a fancy Italian restaurant, Tony's Trattoria. He uses only the finest ingredients and hires the best chefs in the country. Suppose Tony's total cost function is given by the following relationship: TC =100 +10Q +Q^2 , where Q is the numb..
A recent study of 50 self-service gasoline stations in the Greater Cincinnati-Northern Kentucky metropolitan area revealed that the mean price of unleaded gas was $2.029 per gallon. The sample standard deviation was $0.03 per gallon.
Why are the marginal revenue numbers less than the price in the table on page 22-5? You can use either the original or the new MR numbers to answer this question. Note that this is different from pure competition, where P = MR. In other words
P=.60 n=19 A. Find the probability that at least 15 of the 19 do not know what effect the law will have on their corporate tax liabilities. B. Find the probability that no more than 10 do not know what effect the law will have.
Given population = 500, Population 16+ and non-institutionalized = 400, People employed full or part-time = 200 People unemployed and actively seeking work = 20 People who have quit seeking work due to lack of success = 10Part-time workers seeking fu..
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