The proportion of the variability in y that is accounted for by x is found by squaring the ___
A) Correlation coefficient
B) Regression slope
C) Chi-square result
D) t-test value

Question

Quizplus · Accepted Answer

The proportion of the variability in y that is accounted for by x is represented by the coefficient of determination (r squared), which is the square of the correlation coefficient between x and y. Therefore, the answer is A, the correlation coefficient.

The Proportion of the Variability in Y That Is Accounted