Thirty of the 198 students enrolled in Statistics 101 were asked if they wanted Exam II to be a take-home or an in-class assessment. Twenty, or about 67%, of the students polled indicated a preference for an in-class exam. The professor concluded that the majority of students in Statistics 101 would prefer an in-class examination for Exam II. Did the professor perform a descriptive study or an inferential study? Descriptive Inferential