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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?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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b) Given the following data: Month Sales Month Sales July August September 38.0 October November 25.0 35.0 January February March 31.0 32.0 29.0 April May June 33.0 40.0 34.0 37.0 37.0 32.0 December Required: With a six-month warm-up sample, determine monthly forecasts using: Naïve Model Three-month Moving Average Weighted Average Exponential Smoothing ( a = 0.40) Linear Regression i. i. ii. iv. V. For each models above, calculate: i. MAD i. MSE With MSE as basis, which of the models do you think is superior?
Transcribed Image Text:b) Given the following data: Month Sales Month Sales July August September 38.0 October November 25.0 35.0 January February March 31.0 32.0 29.0 April May June 33.0 40.0 34.0 37.0 37.0 32.0 December Required: With a six-month warm-up sample, determine monthly forecasts using: Naïve Model Three-month Moving Average Weighted Average Exponential Smoothing ( a = 0.40) Linear Regression i. i. ii. iv. V. For each models above, calculate: i. MAD i. MSE With MSE as basis, which of the models do you think is superior?
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