Multiple Choice
Consider the following to answer the question(s) below:
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 21.86 hours with a standard deviation of 3.29 hours. The Human Resources Department believes that women tend to take more personal time than men because they tend to be the primary child care givers in the family.
-Based on the data, 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) -3.21 to 0.5.
Correct Answer:

Verified
Correct Answer:
Verified
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