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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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