1 The expected value of the difference between all possible sample means is equal to the difference between population means. 2  Thus, E(x 1 - x 2) = Î¼ d = Î¼ 1 - Î¼ 2. 3  The standard deviation of the difference between sample means (Ï d) is approximately equal to:
Weather in Jackson Hole in May 2018. Expect 15Â°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Jackson Hole in May. Check more long-term weather averages for Jackson Hole in May before you book your next holiday to Wyoming in 2018. More about Jackson Hole. Weather overview; More destinations; Monthly averages; Weather by month; 5-day weather forecast
Key weather averages for Jackson Hole in May. 1  15. 15Â°C max day temperature. 2  9. 9 hours of sunshine per day. 3  10. 10 days with some rainfall. - 4 1. 5  15. 15 hours of daylight per day. 6  0. No heat & humidity. 7  51. 51 mm of monthly rainfall. 8  8. 8 (Very High) UV index.