For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12 months are 80, 82, 84, 83, 83, 84, 85, 84, 82, 83, 84, and 83. Choose the correct time series plot. (i) (ii) (iii) (iv) What type of pattern exists in the data?
For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12 months are 80, 82, 84, 83, 83, 84, 85, 84, 82, 83, 84, and 83. Choose the correct time series plot. (i) (ii) (iii) (iv) What type of pattern exists in the data?
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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Problem 6-11
For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12 months are 80, 82, 84, 83, 83, 84, 85, 84, 82, 83, 84, and 83.
- Choose the correct time series plot.
(i) (ii) (iii) (iv)
What type of pattern exists in the data?
- Compare a three-month moving average forecast with an exponential smoothing forecast for α = 0.2. Which provides the better forecasts using MSE as the measure of model accuracy? Do not round your interim computations and round your final answers to three decimal places.
Moving
averageExponential
smoothingMSE fill in the blank 3 fill in the blank 4
- What is the forecast for next month? If required, round your answer to two decimal places.
fill in the blank 6
- Choose the correct time series plot.

Transcribed Image Text:(i)
90
12
8 9 10 11 12
Month
(iii)
(iv)
6 of Shipments received on time
% of Shipments received on time
00
11
6 of Shipments received on time
% of Shipments received on time

Transcribed Image Text:80
80
75
1
2.
3
8
10
11 12
1
2
3
4
5
6
7
8
9
10
11
12
Month
Month
What type of pattern exists in the data?
b. Compare a three-month moving average forecast with an exponential smoothing forecast for a = 0.2. Which provides the better forecasts using MSE as the measure of model accuracy? Do
not round your interim computations and round your final answers to three decimal places.
Moving
Exponential
average
smoothing
MSE
c. What is the forecast for next month? If required, round your answer to two decimal places.
% of Shipments r
% of Shipments r
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