Need explanation.

For Question 1, I have B as the answer, but I do not know how do you determine if the hypothesis is correct or not?

For Question 2, I have B as the answer.

2. A marketing rm asked a random set of married women and married men how much they were willing to spend for jewelry as a present for their spouse. Can the rm conclude, at a = 0.05, that the two groups have a different willingness to spend? Women Men Sample size 9 14 Sample mean $100 $145 Sample standard deviation $44 $18 A) No, because the test value 0.19 is inside the noncritical region 2.262 1.714. B) Their hypothesis may be correct because the test value t = 5.19 > 1.714. C) Their hypothesis may not be correct because the test value t = 0.85 1.714