Among a group of children, the correlation between test score in a science course and test score in an English course is +.45. It is learned that each test score is 5 points too high, so each raw score is corrected and r recomputed. We expect that its value will be
A) greater than +.45
B) less than +.45
C) changed in an unpredictable way
D) unchanged

Question

Quizplus · Accepted Answer

The correlation coefficient is unaffected by changes in the scale or location of the data, such as adding or subtracting a constant from all scores.

Among a Group of Children, the Correlation Between Test Score