Mathematical statistics of goals - Baseball

Graphs of sample and basic random variables (probability density)

Quantity of matches (sample size) : 2482, period of time : 06-15-2018 - 06-15-2019

Match total

Average per match E = 9.21, variance V = 21.19, SD = 4.60, E/V = 0.43, Min = 1, Max = 31
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=7.09, p=0.43

Home team goals

Average per match E = 4.65, variance V = 10.37, SD = 3.22, E/V = 0.45, Min = 0, Max = 25
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=3.78, p=0.45

Away team goals

Average per match E = 4.56, variance V = 10.77, SD = 3.28, E/V = 0.42, Min = 0, Max = 24
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=3.35, p=0.42

Goals difference

Average per match E = 0.09, variance V = 21.09, SD = 4.59, E/V = 0.00, Min = -20, Max = 21
Basic random variable - Normal (Gauss) Distribution : N(E, V)