Question: 11

Book- Galtier- Ritzar( BGR) is a large international accounting firm that recruits graduate trainees. Recently the firm recruited 15 graduates who have now taken their professional examinations. Their overall mark in these examinations by the universities from which they graduated are:

Neesky University Grads: 38 33 58 51 50

Seredina University Grads: 62 48 59 44 63 58

Visocky University Grads: 52 84 77 77

Test the hypothesis that there is no difference between the mean professional examination marks achieved by graduates of these universities using a 1% level of significance.