The total number of thousands of tons of coal produced per year over a 10-year period for a certain region is prow values for a and minimize MAD for this dataset a=0.2, p=0.9, a=0.5, p=0.2; a=1, p=0.7 Click the icon to view the coal production data First find the MAD for each pair of values, a and . (Type integers or decimals rounded to two decimal places as needed.) a MAD 0.2 0.9 49705.90 0.5 0.2 36328.44 1 0.7 14759.29 Which pair of values for a and minimize MAD for this dataset? and = (Type integers or decimals. Do not round.)