When We Say That the Coefficient of Determination for a Test

Multiple Choice

When we say that the coefficient of determination for a test is 0.89,it means:

A) 89% of the persons who took the test have scores significantly different from each other
B) 89% of the persons who took the test have no significant differences in their test scores
C) 89% of the variance in test scores among the persons who took the test is due to true variance
D) 11% of the variance in test scores among persons who took the test is due to true variance
E) only 11% of the true score is being measured