Marketing firm asked the random set of married and single men as to how much they were eager to spend for vacation. At
*alpha*= .05, is a difference in two amounts?

Married men Single men

Sample size 50 70

Mean spending 260 185

Sample variance 4500 9000

A) Yes, as the test value 5.07 is outside interval (-1.96, 1.96)
B) No, as the test value 2.00 is outside interval (-1.96, 1.96)
C) No, as the test value 0.34 is inside interval (-1.96, 1.96)
D) Yes, as the test value 2.00 is inside interval (-1.96, 1.96)