Mathematical statistics of goals - Baseball

Graphs of sample and basic random variables (probability density)

Quantity of matches (sample size) : 2494, period of time : 06-19-2017 - 06-18-2018

Match total

Average per match E = 9.03, variance V = 20.33, SD = 4.51, E/V = 0.44, Min = 1, Max = 32
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=7.21, p=0.44

Home team goals

Average per match E = 4.57, variance V = 10.24, SD = 3.20, E/V = 0.45, Min = 0, Max = 20
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=3.68, p=0.45

Away team goals

Average per match E = 4.46, variance V = 10.23, SD = 3.20, E/V = 0.44, Min = 0, Max = 22
Basic random variable - Negative Binomial (Pascal) Distribution : NB(r, p), r=3.44, p=0.44

Goals difference

Average per match E = 0.12, variance V = 20.62, SD = 4.54, E/V = 0.01, Min = -18, Max = 19
Basic random variable - Normal (Gauss) Distribution : N(E, V)