Wendy has determined that the correlation between her reading screening test and her students' reading grades is .30.What percent of the variation in reading scores is
Accounted for by knowing the students' scores on the screening test?
A) 9
B) 30
C) 60
D) 90

Question

Quizplus · Accepted Answer

The coefficient of determination, which represents the percent of variation accounted for, is the square of the correlation coefficient. So, 0.30 squared is 0.09, or 9%.

Wendy Has Determined That the Correlation Between Her Reading Screening