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I need help with this one please.

#7 Q.png

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#7 Q.png

Use the data given below to answer the following question(s).
The table provided below gives the sales details of the number of android smart phones at an
electronic retail store for the past 6 weeks. The time series appears to be relatively stable,
without trend, seasonal, or cyclical effects. (Hint: Optimize a value in 0.1 increments)
Week
Units sold
1
88
2
44
3
54
4
65
5
72
6
85
Calculate the value of the mean absolute percentage error for the given data.
20.90
16.60
29.97
21.72

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