nfl-ref-checker

This is a tool that checks for statistical significance across NFL penalties and beneficiaries. Is the NFL rigged? Take a look at the data and see!

Season '23

Chi-Square Test for Penalties: Chi2 = 49.62921348314606, p-value = 0.018246579737284784
Chi-Square Test for Beneficiaries: Chi2 = 29.30262172284644, p-value = 0.5534758409441163
The distribution of penalties across teams is statistically significant (not uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).

Season '22

Chi-Square Test for Penalties: Chi2 = 22.844311377245507, p-value = 0.8547298268727908
Chi-Square Test for Beneficiaries: Chi2 = 35.27811044577511, p-value = 0.2729116261524911
The distribution of penalties across teams is not statistically significant (uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).

Season '21

Chi-Square Test for Penalties: Chi2 = 55.873357228195935, p-value = 0.004007438915606554
Chi-Square Test for Beneficiaries: Chi2 = 32.89605734767025, p-value = 0.37432048619621466
The distribution of penalties across teams is statistically significant (not uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).

Season '23 (Holding/Pass Interference)

Chi-Square Test for Penalties: Chi2 = 40.68562564632885, p-value = 0.11429490300421204
Chi-Square Test for Beneficiaries: Chi2 = 19.308169596690796, p-value = 0.9494997930690809
The distribution of penalties across teams is not statistically significant (uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).

Season '22 (Holding/Pass Interference)

Chi-Square Test for Penalties: Chi2 = 17.282442748091604, p-value = 0.9776862719695073
Chi-Square Test for Beneficiaries: Chi2 = 30.351145038167935, p-value = 0.49922005979483275
The distribution of penalties across teams is not statistically significant (uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).

Season '21 (Holding/Pass Interference)

Chi-Square Test for Penalties: Chi2 = 48.933797909407666, p-value = 0.021367888151722303
Chi-Square Test for Beneficiaries: Chi2 = 32.98954703832752, p-value = 0.3700147153180007
The distribution of penalties across teams is statistically significant (not uniform).
The distribution of beneficiaries across teams is not statistically significant (uniform).