In a Study on Scholastic Test Scores of Entering College

Multiple Choice

In a study on scholastic test scores of entering college freshmen,a random sample of colleges across the nation is selected and the average SAT Math score for the freshman class is recorded.The colleges are categorized according to their affiliation: public,private,or church.Does it appear that freshmen entering the three different types of schools do equally well on the SAT Math? Computer output is included below. How many colleges were included in the study?

A) 3
B) 63
C) 65
D) 66