5. (10 points) A retail store sells greeting cards. Last week sales for a seven-day period...
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5. (10 points) A retail store sells greeting cards. Last week sales for a seven-day period were as follows: Week day Mon Sales 19 Tue 18 Wed 15 Thu 20 Fri 18 Sat 22 Sun 20 Please forecast the next Monday sales using each of the following techniques: a). A weighted moving average with weights (0.5, 0.3, 0.2), starting with the most recent day. b). Exponential smoothing with a smoothing constant equal to .25, using nave method to start the forecast for Tuesday. c). Develop a linear trend line equation. d). Which method appears to be most accurate among the above three methods? Why? 5. (10 points) A retail store sells greeting cards. Last week sales for a seven-day period were as follows: Week day Mon Sales 19 Tue 18 Wed 15 Thu 20 Fri 18 Sat 22 Sun 20 Please forecast the next Monday sales using each of the following techniques: a). A weighted moving average with weights (0.5, 0.3, 0.2), starting with the most recent day. b). Exponential smoothing with a smoothing constant equal to .25, using nave method to start the forecast for Tuesday. c). Develop a linear trend line equation. d). Which method appears to be most accurate among the above three methods? Why?
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