b) Given the following data: Month Sales Month Sales July August September 38.0 October 35.0 January February March 25.0 31.0 32.0 29.0 April May June 33.0 40.0 November 37.0 December 32.0 34.0 37.0 Required: • With a six-month warm-up sample, determine monthly forecasts using: i. ii. Naïve Model Three-month Moving Average Weighted Average Exponential Smoothing ( a = 0.40) Linear Regression ii. iv. V. • For each models above, calculate: i. ii. MAD MSE With MSE as basis, which of the models do you think is superior?
b) Given the following data: Month Sales Month Sales July August September 38.0 October 35.0 January February March 25.0 31.0 32.0 29.0 April May June 33.0 40.0 November 37.0 December 32.0 34.0 37.0 Required: • With a six-month warm-up sample, determine monthly forecasts using: i. ii. Naïve Model Three-month Moving Average Weighted Average Exponential Smoothing ( a = 0.40) Linear Regression ii. iv. V. • For each models above, calculate: i. ii. MAD MSE With MSE as basis, which of the models do you think is superior?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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