Suppose the correlation between height and weight for adults is +0.80. What proportion (or percent) of the variability in weight can be explained by the relationship with height?
a. 80%
b. 100 - 80 = 20%
c. 64%
d. 40%
Answer: c. 64%
Suppose the correlation between height and weight for adults is +0.80. What proportion (or percent) of the variability in weight can be explained by the relationship with height?
a. 80%
b. 100 - 80 = 20%
c. 64%
d. 40%
Answer: c. 64%