Name Friday, 16 of May Thursday, 15 of May average on Friday average for 7 days 1 day 8 ? 12 8 2 days 1 ? 0.5 1 3-4 days 0 ? 0.75 0 5-7 days 1 ? 0.25 1 amount of selected 10 ? 14 10 total 10 ? 14 10