To test whether there is a difference in the interest rates paid by the two states
A bond analyst is analyzing the interest rates for equivalent municipal bonds issued by two different states. At _ = .05, is there a difference in the interest rates paid by the two states?

State A

State B

Sample size

80

70

Mean interest rate (%)

3.7

4.25

Sample variance

0.02

0.03

A) No, as the test value 0.02 is inside the interval (1.96, 1.96)
B) Yes, as the test value 445.79 is outside the interval (1.96, 1.96)
C) Yes, as the test value 21.11 is outside the interval (1.96, 1.96)
D) Yes, as the test value 8.11 is outside the interval (1.96, 1.96)