A Researcher Was Interested in Comparing the GPAs of Students

Essay

A researcher was interested in comparing the GPAs of students at the three University of Toronto campuses: Scarborough,Mississauga,and St.George.Independent random samples of students were taken from each campus and their GPAs were recorded.At a significance level of 0.10,does the Kruskal-Wallis test provide evidence of any differences between the campuses in terms of the GPAs? $$\begin{array} { c c c } \hline \text { Scarbarmugh } & \text { Mississauga } & \text { St. Gearge } \\\hline 3.7 & 3.8 & 3.9 \\\hline 3.2 & 3.2 & 2.8 \\3.0 & 3.1 & 3.5 \\2.5 & 3.9 & 3.4 \\2.7 & 3.8 & 2.9 \\3.6 & 2.5 & 3.7\end{array}$$