Consider the following time series data. (a) Construct a time series plot. ® 30 25+ 20- 15- 10- 5 1 Month 12 3 4 5 Value 24 13 20 12 19 Month 2 3 4 5 0- C 1 2 3 What type of pattern exists in the data? The data appear to follow a horizontal pattern. O The data appear to follow a seasonal pattern. O The data appear to follow a trend pattern. O The data appear to follow a cyclical pattern. 6 7 30 T 30 25- 25 20- 20 15- mimi ww 15- 10- 10 5 0 0 1 2 3 4 5 6 Month (b) Develop the three-month moving average forecasts for this time series. Time Series Value Compute MSE. MSE=18.09 24 13 20 12 4 Month 19 23 15 19 5 17.25 17.6 Forecast 6 18.50 x What is the forecast for month 8? 126 |x 23 15 6 ]✓ x 7 x x 7 8 0 1 2 3 4 5 Month 6 7 8 ⓇO 30 23 20- 15 10- 5 0 0 1 2 3 4 5 Month 7 8 O 7 8 Ⓡ
Consider the following time series data. (a) Construct a time series plot. ® 30 25+ 20- 15- 10- 5 1 Month 12 3 4 5 Value 24 13 20 12 19 Month 2 3 4 5 0- C 1 2 3 What type of pattern exists in the data? The data appear to follow a horizontal pattern. O The data appear to follow a seasonal pattern. O The data appear to follow a trend pattern. O The data appear to follow a cyclical pattern. 6 7 30 T 30 25- 25 20- 20 15- mimi ww 15- 10- 10 5 0 0 1 2 3 4 5 6 Month (b) Develop the three-month moving average forecasts for this time series. Time Series Value Compute MSE. MSE=18.09 24 13 20 12 4 Month 19 23 15 19 5 17.25 17.6 Forecast 6 18.50 x What is the forecast for month 8? 126 |x 23 15 6 ]✓ x 7 x x 7 8 0 1 2 3 4 5 Month 6 7 8 ⓇO 30 23 20- 15 10- 5 0 0 1 2 3 4 5 Month 7 8 O 7 8 Ⓡ
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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