Question: Consider the following time series data. Week 1 2 3 4 5 6 Value 19 13 15 11 18 13 Using the average of all

Consider the following time series data. Week 1 2 3 4 5 6 Value 19 13 15 11 18 13 Using the average of all the historical data as a forecast for the next period, compute the following measures of forecast accuracy. (Round your answers to two decimal places.) (a) mean absolute error MAE = (b) mean squared error MSE = (c) mean absolute percentage error MAPE = % (d) What is the forecast for week 7?

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