Question: Refer to the time series data in Exercise 1. Using the average of all the historical data as a forecast for the next period, compute
Refer to the time series data in Exercise 1. Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy:
a Mean absolute error
b . Mean squared error
c. meab absolute percentage error
d. what is the forecast for week 7
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