One sample has n = 18 with SS = 102 and M = 12. A second sample has n = 5 with SS = 171 and M = 8. Which of the following is the 95% confidence interval for the mean difference in confidence between...

One sample hasn = 18 with SS = 102 andM = 12. A second sample hasn = 5 with SS = 171 andM = 8. Which of the following is the 95% confidence interval for the mean difference in confidence between the two samples?

Group of answer choices