You obtained robs = +.39 when correlating the number of hours per week spent studying by a student and his or her grade point average. In order to find if this correlation coefficient is statistically significant, you need to know the.
A)means for both variables
B)standard deviation for both variables
C)number of pairs of scores on which robs was based
D)CPXY for this correlation

Question

Quizplus · Accepted Answer

To determine if a correlation coefficient is statistically significant, you need to know the sample size or the number of pairs of scores on which the coefficient was based. Without this information, it is not possible to calculate the statistical significance of the correlation coefficient. Knowing the means, standard deviations or CPXY may be useful in interpreting the strength and direction of the correlation, but they are not required to determine statistical significance.

You Obtained Robs =