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Compute a 3-month and weighted moving average and also compare the forecast using MAD.The manager of the Carpet City outlet needs to make an accurate forecast of the demand for Soft Shag carpet (its biggest seller). If the manager does not order enough carpet from t he carpet mill, customers will buy their carpet from one of Carpet's City's many competitors. The manager has collected the following demand data for the past 8 months:Month Demand for Soft Shag Carpet (1,000 yd.)
1 82 123 74 95 156 117 108 12
A. Compute a 3-month moving average forecast for months 4 through 9(use excel)
B. Compute a weighted 3-month moving average forecast for months 4 through 9. Assign weights of .55, .33, and .12 to the months is sequence, starting with the most recent month.
C. Compare the two forecasts by using MAD. Which forecast appears to be more accurate?
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
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Which of the following measures only the strength of a relationship?
X is a continuous random variable uniformly distributed on [20, 45] that is, the end points c = 20 and d = 45.
Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..
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