(Solved Homework): A tourist center is open on weekends (Friday, Saturday, and Sunday). The owner-manager hopes…

A tourist center is open on weekends (Friday, Saturday, and Sunday). The owner-manager hopes to improve scheduling of part-time employees by determining seasonal relatives for each of these days. Data on recent traffic at the center have been tabulated and are shown in the following table:


1 2 3 4 5 6
  Friday 148 151 154 152 156 163
  Saturday 252 256 264 266 275 276
  Sunday 168 161 174 173 177 184


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a. Develop seasonal relatives for the shop using the centered moving average method. (Round your intermediate calculations and final answers to 2 decimal places.)




b. Develop seasonal relatives for the shop using the SA method. (Round your intermediate calculations and final answers to 4 decimal places.)


               SA Index

Expert Answer



Period Day traffic CMA traffic / CMA average Seasonal index
1 Fri 148 0.7849 0.7856
2 Sat 252 189.33 1.3310 1.3429 1.3439
3 Sun 168 190.33 0.8827 0.8698 0.8705
4 Fri 151 191.67 0.7878 0.9992
5 Sat 256 189.33 1.3521
6 Sun 161 190.33 0.8459
7 Fri 154 193.00 0.7979
8 Sat 264 197.33 1.3378
9 Sun 174 196.67 0.8847
10 Fri 152 197.33 0.7703
11 Sat 266 197.00 1.3503
12 Sun 173 198.33 0.8723
13 Fri 156 201.33 0.7748
14 Sat 275 202.67 1.3569
15 Sun 177 205.00 0.8634
16 Fri 163 205.33 0.7938
17 Sat 276 207.67 1.3291
18 Sun 184


1 2 3 4 5 6 Seasonal
Friday 148 151 154 152 156 163 154.000 0.7808
Saturday 252 256 264 266 275 276 264.833 1.3428
Sunday 168 161 174 173 177 184 172.833 0.8763

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