Use the following information to calculate your answers to questions 10 through
ID: 3158939 • Letter: U
Question
Use the following information to calculate your answers to questions 10 through 13
Test scores of ten individuals before and after a training program are shown below.
Individual
Score After
the Program
Score Before
the Program
1
57
59
2
62
57
3
60
60
4
63
66
5
69
68
6
63
59
7
74
72
8
56
52
9
64
58
10
64
63
Question 10
Question text
What is the sum of positive signed ranks (T+)?
Select one:
a. 36.50
b. 22.50
c. 71.25
d. 14.52
e. 8.44
Question 11
Question text
The mean µT is
Select one:
a. 71.25
b. 8.50
c. 14.52
d. 22.50
e. 8.44
Question 12
Question text
The value of T is
Select one:
a. 8.50
b. 22.50
c. 8.44
d. 14.52
e. 71.25
Question 13
Question text
At = 0.05, what can be concluded about the effectiveness of the training program?
Select one:
a. Since p-value is greater than alpha, we can conclude that the training program was ineffective.
b. The study is inconclusive.
c. Since p-value is greater than alpha, we can conclude that the training program was somewhat effective.
d. Since p-value is less than alpha, we can conclude that the training program was ineffective.
e. Since p-value is less than alpha, we can conclude that the training program was extremely effective.
Individual
Score After
the Program
Score Before
the Program
1
57
59
2
62
57
3
60
60
4
63
66
5
69
68
6
63
59
7
74
72
8
56
52
9
64
58
10
64
63
Explanation / Answer
Since only 1 Qn per post is allowed. Here goes my take on Q1:
e) You may just enter the data in the below to get the W value i.e. 8.44.
http://www.socscistatistics.com/tests/signedranks/Default2.aspx
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