Of the following pieces of information, which is NOT needed to compute a correlation coefficient?
A) sample size
B) a pair of scores for two variables) for each subject
C) the level of significance
D) the product of each X score times its corresponding Y score

Question

Quizplus · Accepted Answer

The level of significance is not needed to compute a correlation coefficient. It is used to determine whether the correlation coefficient is statistically significant or not, but it is not part of the calculation itself. The other options, sample size, pairs of scores for two variables, and the product of each X score times its corresponding Y score, are all necessary components for computing a correlation coefficient.

Of the Following Pieces of Information, Which Is NOT Needed