Actual high temperature 83 71 77 78 73 76 70 78 High temperature forecast one day before 84 73 77 78 70 79 67 76 Click the icon to view the critical values for the Wilcoxon signed-ranks test. What are the hypotheses for this test? Ho: The median of the differences H₁: The median of the differences What is the test statistic? T=(Type an integer or a decimal.) Identify the critical value. The critical value is What is the conclusion? There zero. zero. enough evidence to warrant rejection of the claim that the population of differences a median of zero. Based on the sample Data table n 5 6 7 8 9 13 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Critical Values of T for the Wilcoxon Signed-Ranks Test a 0.005 (one tail) 0.01 (two tails) 0 ON357O3ER ONSSTORED227786SISSING 2 10 13 16 19 23 28 32 37 43 49 55 61 68 76 84 0.01 (one tail) 0.02 (two tails) 92 100 109 0 3 5 10 13 16 20 24 33 38 43 49 56 69 85 93 102 111 120 0.025 (one tail) 0.05 (two tails) 2 4 6 8 11 14 17 21 25 30 35 40 46 52 59 66 73 81 90 98 107 117 127 137 "It is not possible to get a value in the critical region. 0.05 (one tail) 0.10 (two tails) 1 2 4 6 8 11 14 17 21 26 30 36 41 47 ឥន៖នឌឥត្ថ៖រដ្ឋន 54 60 68 75 83 92 101 110 120 130 141 152 - X
Actual high temperature 83 71 77 78 73 76 70 78 High temperature forecast one day before 84 73 77 78 70 79 67 76 Click the icon to view the critical values for the Wilcoxon signed-ranks test. What are the hypotheses for this test? Ho: The median of the differences H₁: The median of the differences What is the test statistic? T=(Type an integer or a decimal.) Identify the critical value. The critical value is What is the conclusion? There zero. zero. enough evidence to warrant rejection of the claim that the population of differences a median of zero. Based on the sample Data table n 5 6 7 8 9 13 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Critical Values of T for the Wilcoxon Signed-Ranks Test a 0.005 (one tail) 0.01 (two tails) 0 ON357O3ER ONSSTORED227786SISSING 2 10 13 16 19 23 28 32 37 43 49 55 61 68 76 84 0.01 (one tail) 0.02 (two tails) 92 100 109 0 3 5 10 13 16 20 24 33 38 43 49 56 69 85 93 102 111 120 0.025 (one tail) 0.05 (two tails) 2 4 6 8 11 14 17 21 25 30 35 40 46 52 59 66 73 81 90 98 107 117 127 137 "It is not possible to get a value in the critical region. 0.05 (one tail) 0.10 (two tails) 1 2 4 6 8 11 14 17 21 26 30 36 41 47 ឥន៖នឌឥត្ថ៖រដ្ឋន 54 60 68 75 83 92 101 110 120 130 141 152 - 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
Related questions
Question
Transcribed Image Text:Listed below are actual high temperatures and the high temperatures forecast one day in advance. Use a 0.05 significance level to test the claim that the population of differences has a median of zero. What do the results suggest about the accuracy of the predictions?
Actual high temperature
83 71 77 78 73 76 70 78
High temperature forecast one day before 84 73 77 78 70 79 67 76
Click the icon to view the critical values for the Wilcoxon signed-ranks test.
What are the hypotheses for this test?
Ho: The median of the differences
H₁: The median of the differences
What is the test statistic?
T= (Type an integer or a decimal.)
Identify the critical value.
The critical value is
What is the conclusion?
There
zero.
zero.
enough evidence to warrant rejection of the claim that the population of differences
a median of zero. Based on the sample
Data table
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
α
Critical Values of T for the Wilcoxon Signed-Ranks Test
0.05 (one tail)
0.10 (two tails)
1
2
4
0.005 (one tail)
0.01 (two tails)
3
5
7
10
13
16
19
23
28
32
37
43
49
55
61
68
76
84
92
100
109
0.01 (one tail)
0.02 (two tails)
*៩និង88ខា៦៩៥៩នមត៨៩ ~ ៣ ៤
24
77
85
102
111
120
0.025 (one tail)
0.05 (two tails)
*
1
2
4
6
COFINAN
1472126303644460 875 32 10 10 10 130 14 152
8
11
14
17
21
25
30
35
40
46
52
59
66
73
81
90
98
107
117
127
137
6
8
* It is not possible to get a value in the critical region.
54
68
83
92
O
X
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