Anova, F Test, Analysis Of Variance, Data Analysis, Anova Python.
len(df_students[df_students.Country == i])*sqr_mean_diff ssb.append(sum_sqr) SSb = sum(ssb) #Calculate MSb (Explained Variance) k = len(df_students.Country.unique()) MSb = SSb/(k-1) #Calculate sum of the squared differences between the observations and its group variance for each group sum_sqr_diff