Anova, F Test, Analysis Of Variance, Data Analysis, Anova Python.
sum(df_students.Results/len(df_students)) #Calculate sums of squared mean differences for each observation in each group ssb = [] for i in df_students.Country.unique(): group_mean = df_students[df_students.Country == i].Results.mean() sqr_mean_diff = (group_mean-overal_mean)**2 sum_sqr =