Obtain estimates of daily relatives for the number of customers at a restaurant for the evening meal, given the following data. Day ALEAF CHAN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Number Served 87 82 83 to co 99 &&09 145 142 48 80 79 87 92 134 at 138 41 BELEHENE Day 15 LSC 16 188N 17 18 19 20 21 22 23 24 25 26 27 28 Number Served 82 83 88 99 132 148 162 46 82 83 81 90 133 w w 139 44 a. Use the centered moving average method. (Hint: Use a seven-day moving average.) (Round your intermediate calculations and final answers to 4 decimal places.) 1's 2's 3's 4's 5's 6's 7's IX b. Use the SA method. (Round your intermediate calculations and final answers to 4 decimal places.) 1's 2's 3's 4's 5's 6's 7's SA Index