Note: Data for these problems are in the Module 2 Individual Assignments Data file - there is a tab for each problem, A...

Note: Data for these problems are in the Module 2 Individual Assignments Data file - there is a tab for each problem, All answers should be entered using two decimal places unless otherwise specified. If both decimal places are zeros-then just enter the integer value. Percentages should be entered without"%" sign- 3.45% should be entered as 3.45. M2 IND1. Mariah Henderson is a WCU student who has just finished her junior year. The data in Worksheet IND1 summarizes her grade point average (GPA) for each of the last 9 semesters. a) Compute the forecasts using the naive forecasting method. What is the MAD? b) Compute the forecast for Senior Year- Fall Semester using the naive forecasting method c) Compute the forecasts using the two-period moving average. What is the MAPE? d) Compute the forecast for Senior Year- Fall Semester using the two-period moving average e) Compute the forecasts using the three-period weighted moving average using weights of 0.4 0.35, and 0.25. What is the MAD? f) Compute the forecast for Senior Year- Fall Semester using the three-period weighted moving average using weights of 0.4, 0.35, and 0.25 g) Compute the forecasts using exponential smoothing with a smoothing constant of 0.25 and a forecast for First Year - Fall Semester of 2.60. What is the MSE? h) Compute the forecast for Senior Year - Fall Semester using exponential smoothing with a smoothing constant of 0.25 and a forecast for First Year- Fall Semester of 2.60 i) Comparing one of the error measurements (MAD, MSE, or MAPE) - which is the best forecasting method? Which is the worst forecasting method?
Year Semester GPA Fall 2.65 First Year Winter 2.93 Spring 2.87 Fall 3.05 Sophomore Winter 3.42 Spring 3.29 Fall 3.3 Junior Winter 3.6 Spring3.25

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