Mathematical statistics of goals - Ice Hockey (FT)

Graphs of sample and basic random variables (probability density)

Quantity of matches (sample size) : 30837, period of time : 11-12-2013 - 11-11-2018

Match total

Average per match E = 5.49, variance V = 6.41, SD = 2.53, E/V = 0.86, Min = 0, Max = 28
Basic random variable - Poisson Distribution : Pois(E)

Home team goals

Average per match E = 2.98, variance V = 3.98, SD = 2.00, E/V = 0.75, Min = 0, Max = 26
Basic random variable - Poisson Distribution : Pois(E)

Away team goals

Average per match E = 2.51, variance V = 3.26, SD = 1.81, E/V = 0.77, Min = 0, Max = 27
Basic random variable - Poisson Distribution : Pois(E)

Goals difference

Average per match E = 0.47, variance V = 8.09, SD = 2.84, E/V = 0.06, Min = -26, Max = 26
Basic random variable - Skellam Distribution : Pois(E1)-Pois(E2)