Name Friday, 30 of May Thursday, 29 of May average on Friday average for 7 days 1 day 3 ? 5 3 2 days 1 ? 0.75 1 3-4 days 3 ? 1.5 3 5-7 days 2 ? 2 2 amount of selected 9 ? 9.2 9 total 9 ? 9.2 9