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Given the forecast below, compute the mean square error. Round your result to one decimal place, if applicable. Type your answer... 3 points Period 1 2 3 Actual 109 194 316 Given the forecast below, compute the mean absolute error. Round your result to one decimal place, if applicable. Type your answer... 3 points Period 1 2 3 Actual 110 188 304 Forecast 100 200 300 Forecast 100 200 300 Given the forecast below, compute the mean absolute percentage error. Round your result to one decimal place, if applicable, and do not include the % symbol. 4.68% is entered as 4.7 Period 1 2 3 Actual 112 183 286 Forecast 100 200 300