A Gallup poll conducted in December 2013 found that 74% of respondents who were 65 years or older owned a VCR compared to 41% of 18- to 29-year olds.
a. Identify the explanatory variable.
A. Respondents
B. Age group
C. Whether own a VCR
D. Are older folks more likely to own a VCR?

b. Identify the response variable.
A. Respondents
B. Age group
C. Whether own a VCR
D. Are older folks more likely to own a VCR?

c. Do the results from Gallup’s poll indicate that there is an association between owning a VCR and age? Explain.