Q. tourist center is open on weekends (Friday, Saturday, also Sunday). Owner-manager hopes to improve scheduling of part-time employees by determining seasonal relatives for each of se days. Data on recent traffic at center have been tabulated also are shown in subsequent table:

Week
1 2 3 4 5 6
Friday 149 154 152 150 159 163
Saturday 250 255 260 268 273 276
Sunday 166 162 171 173 176 183

a.) Develop seasonal relatives for shop

b.) Use a naïve trend approach to predict sales transactions for subsequent week.