Hsee and Tang (2007) Reported the Results of a Study

Multiple Choice

Hsee and Tang (2007) reported the results of a study in which 195 college students completed a happiness scale (from 1 to 7) just before taking a midterm exam.On this scale, 1 corresponded to very unhappy and 7 to very happy.On average, the students rated their happiness as 6.18.In this study, which of these would require an inferential statistic?

A) the average rating of happiness at 6.18
B) the conclusion that college students, on average, are rather happy prior to taking midterm exams
C) the conclusion that these 195 college students are rather happy prior to taking this midterm exam
D) the 195 college students who completed the happiness scale