Obtain estimates of daily relatives for the number of customers at a restaurant for the evening meal, given the following data. Day Number Served Day Number Served
1 80 15 84
2 75 16 78
3 78 17 83
4 95 18 96
5 130 19 135
6 136 20 140
7 40 21 44
8 82 22 87
9 77 23 82
10 80 24 88
11 94 25 99
12 131 26 144
13 137 27 144
14 42 28 48
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.) X⎯⎯⎯ 1's 2's 3's 4's 5's 6's 7's
b. Use the SA method. (Round your intermediate calculations to 3 decimals and final answers to 4 decimals.) SA Index 1's 2's 3's 4's 5's 6's 7's