A correlation between college entrance exam grades and scholastic achievement was found to be - 1.08. On the basis of this you would tell the university that _________.
A) the entrance exam is a good predictor of success
B) they should hire a new statistician
C) the exam is a poor predictor of success
D) students who do best on this exam will make the worst students
E) students are this school are underachieving

Question

Quizplus · Accepted Answer

Correlation coefficients range from -1 to 1. A value of -1.08 is impossible, indicating a mistake in calculation or reporting, hence the need for a new statistician.

A Correlation Between College Entrance Exam Grades and Scholastic Achievement