A marketing firm asked a random set of married and single men how much they were willing to spend on a vacation. Is there sufficient evidence at a =0.05 to conclude that there is a difference in the two amounts?

Married Men Single Men

sample size 60 60

sample mean $880 $845

population variance 5200 7100

A) No, because the test value 0.17 is inside the critical region -1.96

B) Yes, because the test value 2.44 is outside the critical region -1.96

C) Yes, because the test value is 1.37 is inside the critical region -1.96

D) No, because the test value 1.37 is outside the critical region -1.96