1:56 Course Predictive Analytics -... Question 1 0/2 pts 3 Details Below is a company's records of actual sales index values over the last 7 periods along with some 2-period weighted moving average forecasts. Calculate the mean absolute deviation/error MAD (MAE). Do not round your results. Period Actual Forecast 1 88 2 90 3 115 89 4 80 105 5 119 94 6 80 103 7 112 96 Mean Absolute Deviation (Error) = Submit Question Stream Courses Calendar More