Homework SourseUse the following information to calculate your answers to q
Use the following information to calculate your answers to questions 15 through 19.
Two faculty members ranked 12 candidates for scholarships.
Candidate
Rank by Professor A
Rank by Professor B
1
6
5
2
10
11
3
2
6
4
1
3
5
5
4
6
11
12
7
4
2
8
3
1
9
7
7
10
12
10
11
9
8
12
8
9
What is the Spearman rank-correlation coefficient (rs)?
Select one:
a. 1.00
b. 38
c. 0
d. 0.87
e. 0.13
What is rs?
Select one:
a. 0.09
b. 0.25
c. 0.87
d. 0.13
e. 0.30
What is the value of the test statistic z?
Select one:
a. 0.87
b. 0.004
c. 2.88
d. 0.30
e. 0.09
What is the p-value?
Select one:
a. 0.004
b. 2.88
c. 0.192
d. 0.002
e. 0.384
Using = .02 what is your conclusion about how Professor A and Professor B rank the twelve students?
Select one:
a. Since the p-value is less than .02 we can conclude that the ranking of the twelve students by Professor A and Professor B are not correlated.
b. The ranking of the twelve students by Professor A and Professor B are independent and cannot be compared to each other.
c. Since the p-value is greater than .02 we can conclude that the ranking of the twelve students by Professor A and Professor B are not correlated.
d. Since the p-value is greater than .02 we can conclude that the ranking of the twelve students by Professor A and Professor B are correlated.
e. Since the p-value is less than .02 we can conclude that the ranking of the twelve students by Professor A and Professor B are correlated.
| Candidate | Rank by Professor A | Rank by Professor B |
| 1 | 6 | 5 |
| 2 | 10 | 11 |
| 3 | 2 | 6 |
| 4 | 1 | 3 |
| 5 | 5 | 4 |
| 6 | 11 | 12 |
| 7 | 4 | 2 |
| 8 | 3 | 1 |
| 9 | 7 | 7 |
| 10 | 12 | 10 |
| 11 | 9 | 8 |
| 12 | 8 | 9 |
Solution
