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Random samples of female and male UVA undergraduates are asked to estimate the number of alcoholic...

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: Females (Population 1): 1, 5, 4, 3, 2, 5, 4, 2, 3, 2 Males (Population 2): 7, 4, 3, 4, 5, 7, 4, 4, 5, 4 Give a 92.6% confidence interval for the difference between mean female and male drink consumption. (Assume that the population variances are equal.) Confidence Interval =

Homework Answers

Answer #1
Females ( X ) Males( Y )
1 4.41 7 5.29
5 3.61 4 0.49
4 0.81 3 2.89
3 0.01 4 0.49
2 1.21 5 0.09
5 3.61 7 5.29
4 0.81 4 0.49
2 1.21 4 0.49
3 0.01 5 0.09
2 1.21 4 0.49
Total 31 16.9 47 16.1







Confidence interval :-




Lower Limit =
Lower Limit = -2.7487
Upper Limit =
Upper Limit = -0.4513
92.6% confidence Interval is ( -2.7487 , -0.4513 )

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