The following are grams of fat found in five scoops of each of two brands of ice cream:
A 5.7 4.5 6.2 6.3 7.3
B 6.3 5.7 5.9 6.4 5.1
Which of the following procedures is appropriate to test hypothesis of equal average fat content in the two types of ice cream?
a. Paired T-test with 5 d.f.
b. Two sample T-test with 8 d.f.
c. Paired T-test with 4 d.f.
d. Two sample T-test with 9 d.f.
e. none of the above