URGENT!!!

What could you say about Peter's forecast? Select all correct answers Peter is using a naive forecast. The RMSE of this forecast is 21. Peter is consistently underforecasting the demand for product XR657. Breaking down the monthly forecast week by week will improve the forecast accuracy. The MAPE of this forecast is 20%. None of the above Peter runs a computer store. His most popular product is the XR657 laptop. The demand and forecasting data for XR657 during the past 11 months is: Actual Forecasted demand demand 272 299 147 173 87 111 134 149 137 154 109 125 73 100 93 111 107 126 77 94 70 91