The meaning of correlation coefficient

Explain the meaning of correlation coefficient using an example. Then, in your own words, explain the following
correlation coefficients.
a. The relationship between intelligence and grade-point average was found to be .72.
b. The correlation coefficient between age and gregariousness was −.20.
c. It was revealed that patients’ compliance with nursing instructions was related to their length of stay in the
hospital (r = −.50).

Sample Solution