A random sample of 100 students was taken from four large schools in Montreal. The first language of the students was recorded. The results are shown in Exhibit 12.35 below. Is there evidence, at the 5% significance level, of a difference in the proportions of students whose first language is English, French, or something else in these four schools?

First School #1 Language English French Other School#2 40 50 10 School #3 50 45 School #4 43 40 17 42 14