Exhibit 6-5: Indicate your choice of statistics for solving the following questions.
-Refer to Exhibit 6-5.We want to see how scores on this examination are related to scores on another examination.
A) mean
B) standard deviation
C) z-score
D) Pearson's r

Question

Quizplus · Accepted Answer

Pearson's r is a correlation coefficient that measures the strength and direction of the linear relationship between two variables. It is the best choice for examining the relationship between scores on two different examinations. The mean, standard deviation, and z-score would not provide information about the relationship between the two variables.

Exhibit 6-5: Indicate Your Choice of Statistics for Solving the Following