k Sets ork12 Homework12: Problem4 lem Previous Problerm List Next ngs (1 point)

Question

k Sets ork12 Homework12: Problem4 lem Previous Problerm List Next ngs (1 point) Random samples of female and male UVA undergraduates are asked to estimate the number of alcoholic drinks that each consumes on a typical weekend. The data is below: ms Females (Population 1): 5, 1, 1,2, 4, 1, 2, 4, 5, 5 Males (Population 2): 5, 5, 6, 3, 5, 6, 3, 6, 4, 4 2 v Give a 96.9% confidence interval for the difference between mean female and male drink consumption. Assume that the populations are normal and population variances are equal. Enter your answer as an interval. Confidence Interval = Preview My Answers Submit Answers 10 V You have attempted this problem 0 times. You have 3 attempts remainina.

Explanation / Answer

The statistical software output for this problem is:

Two sample T confidence interval:
1 : Mean of Females
2 : Mean of Males
1 - 2 : Difference between two means
(with pooled variances)

96.9% confidence interval results:

Hence,

Confidence interval = (-3.262, -0.138)

Difference Sample Diff. Std. Err. DF L. Limit U. Limit 1 - 2 -1.7 0.66749948 18 -3.2620092 -0.13799077

Related Questions

Navigate

• Browse (All)
• Browse K
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.