A psychological researcher has the theory which predicts women will tend to carry more cash than men. A random sample of Ersatz University students revealed that 16 females had the mean of $22.30 in their wallets with standard deviation of $3.20, while 16 males had mean of $17.30 with standard deviation of $9.60.The test statistic for researcher's hypothesis is
Answer
1.976
1.250
1.504