Problem 15-01 (Algorithmic) Consider the following time series data. Using the n
ID: 432103 • Letter: P
Question
Problem 15-01 (Algorithmic)
Consider the following time series data.
Using the naïve method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy.
Mean absolute error. Round your answer to one decimal place.
Mean squared error. Round your answer to one decimal place.
Mean absolute percentage error. Round your answer to two decimal places.
What is the forecast for week 7? Round your answer to the nearest whole number.
Explanation / Answer
a-Mean absolute error
MAE = 22/5
MAE = 4.4
b-Mean square error
MSE = 104/5
MSE = 20.8
c-Mean absolute % error
MAPE = 159.39/5
MAPE = 31.88%
d-What is the forecast for week 7?
Forecast for week 7 is 14
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