The covariance between height and running speed on the State College track team was equal to -28.21. This tells us that the
A) relationship between height and speed is significant.
B) relationship between height and speed is negative.
C) the correlation is equal to the square root of -28.21.
D) the correlation is equal to -28.21.

Question

Quizplus · Accepted Answer

The negative value of the covariance (-28.21) indicates a negative relationship between height and running speed. However, the covariance value itself cannot be interpreted as the correlation coefficient, so choices C and D are incorrect. Additionally, the significance of the relationship is not determined by the covariance value alone, so choice A is also incorrect.

The Covariance Between Height and Running Speed on the State