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5 -5.5 the critical value. me value of the test statistic. ecide whether to reject Ho (Choose one) 4 Yes n't Know 4.5 8.5 0 No completing the parts below. ensult a table with critical values for the Wilcoxon signed ranks test.) Submit 1 1.5 of significance, can we conclude (by using the Wilcoxon signed-ranks test) that there is a difference between the populations of res for students in this class? 0 3.5 لیا 3 7 At the 0.02 level, can we conclude that there is a difference between the populations First and second exam scores for students in this class? 3 6.5 4.5 X 5

5 -5.5 the critical value. me value of the test statistic. ecide whether to reject Ho (Choose one) 4 Yes n't Know 4.5 8.5 0 No completing the parts below. ensult a table with critical values for the Wilcoxon signed ranks test.) Submit 1 1.5 of significance, can we conclude (by using the Wilcoxon signed-ranks test) that there is a difference between the populations of res for students in this class? 0 3.5 لیا 3 7 At the 0.02 level, can we conclude that there is a difference between the populations First and second exam scores for students in this class? 3 6.5 4.5 X 5

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 11.1EP
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The following table contains the first exam score and the second exam score for a random sample of 15 students in a large college class. 78 89 75 89.5 86 84 81 77 79 84.5 82.5 83.5 78.5 75.5 85 First exam score 83 82.5 71.5 86.5 79 81 71.5 84.5 Second exam score 78.5 84 71.5 85 72.5 72.5 78 5 -5.5 3.5 6.5 4.5 Difference (a) Find the value of the test statistic. (b) Find the critical value. (c) Decide whether to reject Ho (Choose one) 4 0 Yes ▼ I Don't Know At the 0.02 level of significance, can we conclude (by using the Wilcoxon signed-ranks test) that there is a difference between the populations of first and second exam scores for students in this class? Perform a test by completing the parts below. (If necessary, consult a table with critical values for the Wilcoxon signed ranks test.) 8.5 No 4.5 Submit 1 1.5 0 PRO 3 (d) At the 0.02 level, can we conclude that there is a difference between the populations of first and second exam scores for students in this class? 7 3 F6 X F7 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility 5 F8 F9 F10 F11
Transcribed Image Text:The following table contains the first exam score and the second exam score for a random sample of 15 students in a large college class. 78 89 75 89.5 86 84 81 77 79 84.5 82.5 83.5 78.5 75.5 85 First exam score 83 82.5 71.5 86.5 79 81 71.5 84.5 Second exam score 78.5 84 71.5 85 72.5 72.5 78 5 -5.5 3.5 6.5 4.5 Difference (a) Find the value of the test statistic. (b) Find the critical value. (c) Decide whether to reject Ho (Choose one) 4 0 Yes ▼ I Don't Know At the 0.02 level of significance, can we conclude (by using the Wilcoxon signed-ranks test) that there is a difference between the populations of first and second exam scores for students in this class? Perform a test by completing the parts below. (If necessary, consult a table with critical values for the Wilcoxon signed ranks test.) 8.5 No 4.5 Submit 1 1.5 0 PRO 3 (d) At the 0.02 level, can we conclude that there is a difference between the populations of first and second exam scores for students in this class? 7 3 F6 X F7 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility 5 F8 F9 F10 F11
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