Question

Of a random sample of 120 business school professors, 48 believed students' analytical skills had improved over the last decade, 35 believed these skills had deteriorated, and 37 saw no discernible change. Evaluate the strength of the sample evidence suggesting that, for all business school professors, more believe that analytical skills have improved than believe that these skills have deteriorated.


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  • CreatedJuly 07, 2015
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