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A chemical engineer is considering two styles of pipes for moving distillate from a refinery to the tank farm. A small pipeline will cost less to purchase (including valves and other appurtenances) but will have a high head loss and, therefore, a higher pumping cost. The small pipeline will cost $1.7 million installed and will have an operating cost of $12,000 per month. A larger-diameter pipeline will cost $2.1 million installed, but its operating cost will be only $8000 per month. Which pipe size is more economical at an interest rate of 1% per month on the basis of an annual worth analysis? Assume the salvage value is 10% of the first cost for each pipeline at the end of the 10-year project period.
Clean Supreme is a corporation that produces and sells powdered laundry detergent in the U.S. The company has estimated the following regression equation for the demand of its Brand Z detergent:
Examine and interpret information trends over the most recent 3-year period to evaluate the economy and Canada's current economic status.
Describe the fundamental difference between short-run analysis and long-run analysis of the cost structure of a firm and give at least two examples of industries that practice price discrimination, and describe their pricing practices.
Multicollinearity refers to existence of correlation among the independent variables in a multiple regression model. Explain how multicollinearity can impact your regression analysis.
Construct a table to report the regressions above, which includes the estimates, the standard errors, and adjusted R-square and find the estimated coefficient of ln(Y earsSchool) in Regression B. What is the interpretation of it?
To ensure that correct size of heart valve is available for heart surgery, Heart Plus, maker of valves employs salespeople to place and maintain inventories at hospitals in its market.
Wilpen Corporation, a price-setting form, manufactures nearly 80% of all tennis balls purchased in the United States. Wilpen estimates the U.S. demand for its tennis balls by using the linear specifications:
An analysis of stock market manufactures the following data about the returns of two stocks.
Explain why we are using per capita data for food rather than the total value as the dependent variable and examine the residuals of your estimated equation to determine whether any of your years might be considered an outlier in the regression.
Construct and show a gross margin budget for the activity. Construct and show a whole farm budget. Advise the farmer on the current and future profitability of the farm and possible options to improve performance.
Suppose you have been employed as an economic analyst, your job is to use the Regression Model to estimate potential sales of your employer's product.
Gold Trackers watching the value of precious metals and has daily information on prices and sales of gold for the last many years.
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