1. If the coefficient of determination is 25%, the correlationbetween two continuous variables is
a) -5
b) 5
c) -.25
d) .25
e) a or b
f) none of the above
2. To assess the correlation between height and weight, oneshould use
a) spearman correlation
b) regression equation
c. pearson correlation
d) point biserial correlation
3. For a computed r = -0.547, given a dataset of n =16, alpha = .05, and two-tailed significance, one should fail toreject the null hypothesis.
a) yes
b) no
