A bored statistics student wants to determine if there is a relationship between the number of cigarettes smoked (X) and the number of beers drunk (Y) over the duration of a televised Buffalo Bills game. Below is the data:
X Y
2 3
3 1
6 5
4 4
5 2
Mx = 4 My = 3
In determining if there is a relationship between cigarette smoking and beer consumption, what is the obtained Pearson's product moment correlation coefficient (r)?
a. r = 0.05
b. r = 0.25
c. r = 0.50
d. r = 0.07