Name Saturday, 17 of May Friday, 16 of May average on Saturday average for 7 days 1 day 14 ? 14 14 2 days 1 ? 1.2 1 3-4 days 0 ? 1.2 0 5-7 days 1 ? 1 1 amount of selected 16 ? 18 16 total 16 ? 18 16