Buhle is interested in comparing her marks for completed Statistics and Personality theories examination. On the Statistics examination, the mean was = 60 with = 8 and Buhle obtained a score of X = 72. On the Personality theories examination, the mean was = 75 with = 10 and Buhle obtained a score of X = 85. For which class did Buhle performed better between the two modules? Show all calculations.