An Example in the Text Hypothesized That 4% of the Variability

Multiple Choice

An example in the text hypothesized that 4% of the variability in life expectancy was accounted for by variability in smoking behavior. The values of r and r² , respectively, are equal to

A) .20 and .04.
B) .04 and .16.
C) .04 and .20.
D) More information is needed.