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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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
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5
F8
F9
F10
F11
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