Mathematical statistics of goals - Ice Hockey (FT)

Graphs of sample and basic random variables (probability density)

Quantity of matches (sample size) : 32548, period of time : 10-15-2014 - 10-15-2019

Match total

Average per match E = 5.47, variance V = 6.35, SD = 2.52, E/V = 0.86, Min = 0, Max = 28
Basic random variable - Poisson Distribution : Pois(E)

Home team goals

Average per match E = 2.95, variance V = 3.90, SD = 1.97, E/V = 0.76, Min = 0, Max = 26
Basic random variable - Poisson Distribution : Pois(E)

Away team goals

Average per match E = 2.51, variance V = 3.27, SD = 1.81, E/V = 0.77, Min = 0, Max = 27
Basic random variable - Poisson Distribution : Pois(E)

Goals difference

Average per match E = 0.44, variance V = 8.00, SD = 2.83, E/V = 0.06, Min = -26, Max = 26
Basic random variable - Skellam Distribution : Pois(E1)-Pois(E2)