Question

In a recent study of a mid career professionals conducted by the Labor Research Council, samples of size 100 were taken from each of three job categories: manufacturing (Group 1), education (Group 2); and health care (Group 3). In the Group 1 sample, the proportion of study participants who reported being “satisfied” in their current job was .81; in the Group 2 sample, the proportion was .78; and in the Group 3 sample, the proportion was .75. Use the appropriate table format to test the null hypothesis that the proportion of satisfied professionals is the same across all three job categories. Use a significance level of 5%.


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  • CreatedJuly 16, 2015
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