The 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 the business, technology, and nursing programs revealed the results shown in Exhibit 12.36.Is there evidence, at the 2.5% level of significance, that the proportions of students drawn from inside and outside the local area are the same for all three programs?
Answer to relevant QuestionsIn 2009, a study showed that the percentage of online Canadians with a social network profile had increased to 56%, up from 39% in a study done 18 months previously. In 2009, 824 online Canadians were surveyed (462 indicated ...A new manager has been hired to run the campus student pub. The pub sells a limited selection of brands of beer. The past manager indicated that the brand preferences of the pub's customers were as shown in Exhibit 12.17 ...Re-do Exercise 14 above as a Chi-square test. Is the p-value the same for both tests? Did you expect it to be? In Exercise A company operates two large plants. In one plant, a random sample of 150 employees revealed that 23 ...The company that produces the mixed nuts described in Exercise 21 claims that the percentage of peanuts in the mixed-nuts package is no more than 50%. Does this sample provide evidence that there are more than 50% peanuts in ...A large mail order company is trying to decide between two delivery services: Canada Post and a private courier. The mail order company selects a random sample of 100 deliveries for the private courier, and another sample of ...
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