Multiple Choice
Use the data given below to answer the following question(s) .
The table below shows the sales of a gaming console for the first 6 months of the year 2011.
The forecaster uses the weighted average model to determine the forecasts.He assumes a 40% weight for the most recent reading,30% weight for the second most recent reading,20% for the third most recent reading,and 10% for the fourth most recent reading. 
-Using the given data,calculate the value of the mean absolute deviation.
A) 26.95
B) 9.19
C) 6.65
D) 0.87
Correct Answer:
Verified
Correct Answer:
Verified
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