Create a Confidence Interval for the Difference Between Two Means

Multiple Choice

Create a confidence interval for the difference between two means.
-Data were collected on annual personal time (in hours) taken by a random sample of 16
Women and 7 men employed by a medium sized company. The women took an average of 24.75 hours of personal time per year with a standard deviation of 2.84 hours. The men
Took an average of 21.89 hours of personal time per year with a standard deviation of 3.29
Hours. The correct 90% confidence interval for the difference between women and men in
The average number of hours of personal time taken per year is

A) 0.30 to 5.48 hours.
B) -0.50 to 3.21 hours.
C) -4.67 to -0.62 hours.
D) 1.27 to 6.89 hours.
E) None of the above.