b. At α = 0.1, does the data provide sufficient evidence to indicate that the mean of population 1 is larger than the mean of population 2? (6%)

2. A journal surveyed its readers and asked how each rated the quality of management and the reputation of the company for over 250 worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good and fair categorical scale. Assume the sample data for 200 respondents below applies to this study. Use a 0.05 level of significance and test for independence of the quality of management and the reputation of the company. (8%)

題組內容

b. At α = 0.1, does the data provide sufficient evidence to indicate that the mean of population 1 is larger than the mean of population 2? (6%)

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