Question 4
A pharmacist has been monitoring sales of a certain
over-the-counter pain reliever. Monthly sales during...
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Question 4
A pharmacist has been monitoring sales of a certainover-the-counter pain reliever. Monthly sales during the last 15months were:
Month
Number sold
Month
Number sold
Month
Number sold
1
36
6
49
11
52
2
38
7
50
12
55
3
42
8
49
13
54
4
44
9
52
14
56
5
48
10
48
15
57
Using 3-Month Weighted Moving Average using 0.2, 0.3, and 0.5with the heaviest weights applied to the most recent months,develop forecasts for months from 11 to16.      Â
Using Exponential Smoothing using an α = 0.4 and the10th Month forecast of 50, develop forecasts for monthsfrom 11 to16.             Â
Using Trend Projection, develop forecasts for months from 11 to16.
Justify which method you would suggest using to predict futuresales.
Answer & Explanation
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4.0 Ratings (587 Votes)
d based on the error measure MAD it is
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