The Following Table Describes the Opinions of the 570 People

Multiple Choice

The following table describes the opinions of the 570 people who returned a residential life services questionnaire to researchers at a small university. Students were classified by class (freshman, sophomore, junior, or senior) and by their opinion of campus residence quality (high quality, medium quality, or low quality) . What percent of all students who responded are sophomores?

A) 25%
B) 19.3%
C) 22.8%
D) 29.8%