Below you are given the first five values of a quarterly time series of sales. Year Quarter Time Series Value Y, 1 36 24 3 16 4 20 2 44 21. Refer to data above. When a naïve method is used, what is the forecast on the sales in Quarter 2 of Year 2, a. 20 b. 44 с. 27 d. 30 22. Refer to data in Q21. When a three-quarter moving average is used, what is the forecast on the sales in Quarter 2 of Year 2. 20.5 b. 44.3 a. с. 26.7 d. 30.2 23. Refer to data in Q21. When a three-quarter weighted moving average (W1 0.5, W2 0.3, and W3 = 0.2) is used, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: F1+1 = WD + W2D+ W3D) a. 24.4 b. 30.2 с. 22.8 d. 31.2 24. Refer to data in Q21. When an exponential smoothing model is used with a smoothing parameter alpha of 0.30 and a Q1-Year 2 forecast is 20, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: Fr1 = aY, + (1- a)F,) 27.2 b. 29.2 a. с. 31.2 d. 33.2 25. Refer to data in Q21. The equation for the trend line of quarterly sales is F, = 24.4 + 1.2t. What is the forecast on the sales in Quarter 2 of Year 2. (Hint: 1=1 for Ql-Year 1, 2 for Q2-year 1, and so on) a. 31.2 b. 30.4 с. 32.2 d. 31.6
Below you are given the first five values of a quarterly time series of sales. Year Quarter Time Series Value Y, 1 36 24 3 16 4 20 2 44 21. Refer to data above. When a naïve method is used, what is the forecast on the sales in Quarter 2 of Year 2, a. 20 b. 44 с. 27 d. 30 22. Refer to data in Q21. When a three-quarter moving average is used, what is the forecast on the sales in Quarter 2 of Year 2. 20.5 b. 44.3 a. с. 26.7 d. 30.2 23. Refer to data in Q21. When a three-quarter weighted moving average (W1 0.5, W2 0.3, and W3 = 0.2) is used, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: F1+1 = WD + W2D+ W3D) a. 24.4 b. 30.2 с. 22.8 d. 31.2 24. Refer to data in Q21. When an exponential smoothing model is used with a smoothing parameter alpha of 0.30 and a Q1-Year 2 forecast is 20, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: Fr1 = aY, + (1- a)F,) 27.2 b. 29.2 a. с. 31.2 d. 33.2 25. Refer to data in Q21. The equation for the trend line of quarterly sales is F, = 24.4 + 1.2t. What is the forecast on the sales in Quarter 2 of Year 2. (Hint: 1=1 for Ql-Year 1, 2 for Q2-year 1, and so on) a. 31.2 b. 30.4 с. 32.2 d. 31.6
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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Question
Transcribed Image Text:Below you are given the first five values of a quarterly time series of sales.
Year
Time Series Value Y,
36
Quarter
1
24
3
16
4
20
2
1
44
21. Refer to data above. When a naïve method is used, what is the forecast on the sales in Quarter 2 of Year 2,
a.
20
b.
44
с.
27
d. 30
22. Refer to data in Q21. When a three-quarter moving average is used, what is the forecast on the sales in Quarter 2 of
Year 2.
20.5
b.
44.3
a.
с.
26.7
d. 30.2
23. Refer to data in Q21. When a three-quarter weighted moving average (W1 0.5, W2 0.3, and W3 = 0.2) is used, what
is the forecast on the sales in Quarter 2 of Year 2. (Hint: F1+1= WD; + W2D + W3D
a.
24.4
b. 30.2
с.
22.8
d. 31.2
24. Refer to data in Q21. When an exponential smoothing model is used with a smoothing parameter alpha of 0.30 and a Q1-Year
2 forecast is 20, what is the forecast on the sales in Quarter 2 of Year 2. (Hint: Fr1 = aY, + (1- a)F,)
a.
27.2
29.2
31.2
d.
b.
с.
33.2
25. Refer to data in Q21. The equation for the trend line of quarterly sales is F, = 24.4 + 1.2t. What is the forecast on the
sales in Quarter 2 of Year 2. (Hint: 1=1 for Ql-Year 1, 2 for Q2-year 1, and so on)
31.2
b.
30.4
a.
с.
32.2
d.
31.6
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