In: Operations Management
Question 4
A pharmacist has been monitoring sales of a certain over-the-counter pain reliever. Monthly sales during the last 15 months 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 |
d) based on the error measure MAD, it is better to select trend projection method of forecasting, because it provides more accurate results, as compared to other two methods.
(Please like the answer it will encourage me.)