In the survey described in Exercise 32, student responses were also classified by year in college. The table below shows the average time on the Internet for the sample of students in each of the class years, as reported in the study. Assume the standard deviations and sample sizes are as shown in the table.
Use one-way analysis of variance to determine if there is sufficient sample evidence to reject a “no difference in population mean time on the Internet” null hypothesis at the 5% significance level.
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