Use the Lake Michigan pollution data in Table 8.8 to test the hypothesis that the degree of pollution (as measured by the number of odor periods) had not changed with time against the alternative that there was a general increasing trend in the pollution of Lake Michigan over the period of 1950-1964. (See Comment 48)
![](https://test.transtutors.com/qimg/2bc5b9a3-8ae9-4f76-92f6-2d9b62a4826a.png)