Name Sunday, 11 of May Saturday, 10 of May average on Sunday average for 7 days 1 day 62 ? 49 62 2-3 days 3 ? 1.8 3 4-7 days 1 ? 0.5 1 8-14 days 1 ? 1 1 15-31 days 1 ? 1 1 amount of selected 68 ? 54 68 total 68 ? 54 68