The following data are for calculator sales in units at an electronics store over the past nine weeks: Use trend projection with regression to forecast sales for weeks 1013. What are the error measures (CFE, MSE, , MAD, and MAPE) for this forecasting procedure? How about r2 ? Obtain the trend projection with regression forecast for weeks 10 - 13. (Enter your responses rounded to two decimal places.) The following data are for calculator sales in units at an electronics store over the past nine weeks: Use trend projection with regression to forecast sales for weeks 1013. What are the error measures (CFE, MSE, , MAD, and MAPE) for this forecasting procedure? How about r2 ? Obtain the trend projection with regression forecast for weeks 10 - 13. (Enter your responses rounded to two decimal places.)