Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given for Friday the 6th and Friday the 13th in the same month. Use the Wilco signed-ranks test to test the claim that the matched pairs have differences that come from a population with median equal to zero at a significance level of a = 0.1. Fri. 6th 11 6 5 5 12 12 9 14 Fri. 13th 8 9 Click to view a table of critical values for the Wilcoxon signed-ranks test. 10 6 First define the null and alternative hypotheses. Ho: The population of differences has a median equal to 0. H₁: The population of differences has a median not equal to 0. Calculate the test statistic. T=0 More Info Q D 5 6 7 8 9 10 11 12 13 14 Critical Values of T for the Wilcoxon Signed-Ranks Test ,005 (one tail) .01 (two tail) 0 2 3 5 7 10 13 .01 (one tail) .02 (two tails) 0 2 3 5 7 10 13 16 a 025 (one tail) .05 (two tails) 1 2 4 6 8 11 14 17 21 .05 (one tail) .10 (two tails) 1 2 4 6 8 11 14 17 21 26 00 n 5 6 7 8 9 10 11 12 13 14 - X
Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given for Friday the 6th and Friday the 13th in the same month. Use the Wilco signed-ranks test to test the claim that the matched pairs have differences that come from a population with median equal to zero at a significance level of a = 0.1. Fri. 6th 11 6 5 5 12 12 9 14 Fri. 13th 8 9 Click to view a table of critical values for the Wilcoxon signed-ranks test. 10 6 First define the null and alternative hypotheses. Ho: The population of differences has a median equal to 0. H₁: The population of differences has a median not equal to 0. Calculate the test statistic. T=0 More Info Q D 5 6 7 8 9 10 11 12 13 14 Critical Values of T for the Wilcoxon Signed-Ranks Test ,005 (one tail) .01 (two tail) 0 2 3 5 7 10 13 .01 (one tail) .02 (two tails) 0 2 3 5 7 10 13 16 a 025 (one tail) .05 (two tails) 1 2 4 6 8 11 14 17 21 .05 (one tail) .10 (two tails) 1 2 4 6 8 11 14 17 21 26 00 n 5 6 7 8 9 10 11 12 13 14 - X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given for Friday the 6th and Friday the 13th in the same month. Use the Wilcoxo
signed-ranks test to test the claim that the matched pairs have differences that come from a population with median equal to zero at a significance level of a = 0.1.
Fri. 6th 11
Fri. 13th 8
6
9
5 5 12
12 9 14
Click to view a table of critical values for the Wilcoxon signed-ranks test.
10
6
First define the null and alternative hypotheses.
Ho: The population of differences has a median equal to 0.
H₁: The population of differences has a median not equal to 0.
Calculate the test statistic.
T=
More Info
D
0
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Critical Values of T for the Wilcoxon Signed-Ranks Test
.005
(one tail)
.01
(two tails)
0
2
3
5
7
10
13
16
19
23
28
32
37
43
49
55
61
68
76
84
92
100
109
.01
(one tail)
.02
(two tails)
0
2
3
5
7
10
13
16
20
24
28
33
38
43
49
56
62
69
77
85
93
102
111
120
.025
(one tail)
.05
(two tails)
1
2
4
6
8
11
14
17
21
25
30
35
40
46
52
59
66
73
81
90
98
107
117
127
137
.05
(one tail)
.10
(two tails)
1
2
4
6
8
11
14
17
21
26
30
36
41
47
54
60
68
75
83
92
101
110
120
130
141
152
n
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
-
▸
X
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