A restaurant has tracked the number of meals served at lunch over the last four weeks. The data show little in terms of trends, but do display substantial variation by day of the week. Use the following information to determine the seasonal (daily) indices for this restaurant. Week
Day 1 2 3 4
Sunday 40 35 39 43
Monday 54 55 51 59
Tuesday 61 60 65 64
Wednesday 72 77 78 69
Thursday 89 80 81 79
Friday 91 90 99 95
Saturday 80 82 81 83