Anova, F Test, Analysis Of Variance, Data Analysis, Anova Python.
sum(list(map(lambda x: (x-group_mean)**2, df_students[df_students.Country == i].Results))) sum_sqr_diff.append(sum_sqr) print(i,": "+str(sum_sqr)) #Add them together SSw = sum(sum_sqr_diff) print("SSw: " + str(SSw)) USA : 567.1197499999998 UK : 582.7777500000002 Germany : 465.9137500000002 SSw: