A Consumer Psychologist Wants to Know If Shoe Size and Weight

Multiple Choice

A consumer psychologist wants to know if shoe size and weight are correlated in adult males. She measures the shoe size and asks the weight of 14 consecutive customers. They are as follows: size 9, 176 lbs.; size 7.5, 141 lbs.; size 10, 185 lbs.; size 12, 202 lbs.; size 9.5, 174 lbs.; size 10, 150 lbs.; size 10, 193 lbs.; size 10.5, 237 lbs.; size 13, 248 lbs.; size 8, 159 lbs.; size 8.5, 136 lbs.; size 9.5, 174 lbs.; size 9, 172 lbs.; and size 11, 183 lbs.
-The df for this problem are

A) 14
B) 12
C) 10
D) 8