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3. The data shown in the table represent the completion time (in minutes) of exams taken by two students. A. Can we conclude at the 0.05 level of significance that the average completion time of student 2 exceeds that of student 1 by more than 4 minutes? Assume that the distribution of times to be approximately normal with unequal variances. B. Test at the 0.10 level of significance the hypothesis that of = ož against the alternative of + ož. Student Time (minutes) 1 88 102 109 86 92 2 124 91 97 165 102 97 134

3. The data shown in the table represent the completion time (in minutes) of exams taken by two students. A. Can we conclude at the 0.05 level of significance that the average completion time of student 2 exceeds that of student 1 by more than 4 minutes? Assume that the distribution of times to be approximately normal with unequal variances. B. Test at the 0.10 level of significance the hypothesis that of = ož against the alternative of + ož. Student Time (minutes) 1 88 102 109 86 92 2 124 91 97 165 102 97 134

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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3. The data shown in the table represent the completion time (in minutes) of exams taken by two students. A. Can we conclude at the 0.05 level of significance that the average completion time of student 2 exceeds that of student 1 by more than 4 minutes? Assume that the distribution of times to be approximately normal with unequal variances. B. Test at the 0.10 level of significance the hypothesis that of = ož against the alternative of + ož. Student Time (minutes) 1 88 102 109 86 92 2 124 91 97 165 102 97 134
Transcribed Image Text:3. The data shown in the table represent the completion time (in minutes) of exams taken by two students. A. Can we conclude at the 0.05 level of significance that the average completion time of student 2 exceeds that of student 1 by more than 4 minutes? Assume that the distribution of times to be approximately normal with unequal variances. B. Test at the 0.10 level of significance the hypothesis that of = ož against the alternative of + ož. Student Time (minutes) 1 88 102 109 86 92 2 124 91 97 165 102 97 134
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