Students in a large accounting class were asked to rate the course on a scale from 1
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Students in a large accounting class were asked to rate the course on a scale from 1 (poor) to 5 (excellent). The accompanying table shows proportions of students rating the course in each category. RATING PROPORTION 1 2 3 4 5 .07 19 28 30 .16 Find the mean and standard deviation of the ratings.
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