Question: this is a multiple part practice question that I am stuck on. can anyone help? Year Quarter Sales 1 1 1590 2 1040 3 2725

this is a multiple part practice question that I am stuck on. can anyone help?

Year Quarter Sales 1 1 1590 2 1040 3 2725 4 2500 2 1 1800 2 900 3 3000 4 2360 3 1 1850 2 1100 3 3030 4 2615 Consider Problem TEXTSALES. Use exponential smoothing to predict sales. Set the smoothing constant to be 0.4 What is the forecast for the third quarter of Year 1? Keep 2 decinal places if needed Consider the previous question (Question 13). What is MAPE (mean absolute percentage error)? Keep 2 decimal places. (IF MAPE is 30.12%, then you can report either 30.12 or 0.30). Consider Problem TEXTSALES. Use a linear trend to predict Sales. What is RMSE (root mean squared error)? Keep 2 decimal places. Consider Problem TEXTSALES. Use seasonality to predict Sales. What is RMSE (root mean squared error)? Keep 2 decimal places

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