Students in Professor Smith's Business Statistics Course Have Evaluated the Overall

Multiple Choice

Students in Professor Smith's business statistics course have evaluated the overall effectiveness of the professor's instruction on a five-point scale, where a score of 1 indicates very poor performance and a score of 5 indicates outstanding performance. The raw scores are displayed in the accompanying table. (See the Excel Data File.) What percentage of students gave professor Smith an evaluation higher than 3?

A) 20%
B) 30%
C) 50%
D) 80%