As the correlation coefficient becomes stronger, proportionate reduction in error:
A) becomes smaller.
B) becomes larger.
C) is unaffected.
D) becomes more variable.

Question

Quizplus · Accepted Answer

The stronger the correlation coefficient, the greater the reduction in error that can be achieved by predictions based on that correlation. This means that as the correlation coefficient becomes stronger, the proportionate reduction in error becomes larger. Therefore, the correct answer is B.

As the Correlation Coefficient Becomes Stronger, Proportionate Reduction in Error