Question: NOTE: SHOW FORMULA IN EXCEL Consider the following data representing monthly retail sales of athletic shoes. Input these data into an Excel spreadsheet and do

NOTE: SHOW FORMULA IN EXCEL

Consider the following data representing monthly retail sales of athletic shoes. NOTE: SHOW FORMULA IN EXCEL Consider the Input these data into an Excel spreadsheet and do the following: a. Calculate a three-month moving average forecast. What is your forecast for month 13? b. Use exponential smoothing with a smoothing factor of 0.20 to calculate the forecast for month 13. c. Fit a simple regression model to the data above. What is your forecast for month 13?

Month January February March April May June July August September October November December Sales ($000) $328 337 341 367 385 403 389 376 428 305 278 450

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