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?
Answer to relevant QuestionsThe marketing department of a college wanted to know whether there was a difference in the proportions of students drawn from inside and outside the college catchment area by program. A random sample of students from each of ...A furniture store has a number of payment options available to customers. Some customers pay immediately. Others delay payment for six months, with no interest and no financing charges. Others delay payment for a year, but ...A company operates two large plants. In one plant, a random sample of 150 employees revealed that 23 had had workplace accidents during the past year. In the other plant, a random sample of 125 employees revealed that 23 had ...A quality control inspector is checking to see whether the proportions of different kinds of nuts included in a mixed-nuts package meet specifications. She randomly selects one of the bags of nuts off the line, and counts ...Re-do Exercise 6 above as a Chi-square test. Did you get the same answer? Did you expect to? In exercise A random sample of new members of a large downtown fitness club was selected, and tracked over six months. Of the 60 ...
Post your question