Applying spearman's correlation - Theme
- 5197 keer gelezen
Join with a free account for more service, or become a member for full access to exclusives and extra support of WorldSupporter >>
The scores for nine students in history and algebra are as follows:
Compute the Spearman rank correlation.
Student # | History Score | History Rank | Algebra Score | Algebra Rank |
1 | 35 | 3 | 30 | 5 |
2 | 23 | 5 | 33 | 3 |
3 | 47 | 1 | 45 | 2 |
4 | 17 | 6 | 23 | 6 |
5 | 10 | 7 | 8 | 8 |
6 | 43 | 2 | 49 | 1 |
7 | 9 | 8 | 12 | 7 |
8 | 6 | 9 | 4 | 9 |
9 | 28 | 4 | 31 | 4 |
Student # | History Score | History Rank | Algebra Score | Algebra Rank | d | d2 |
1 | 35 | 3 | 30 | 5 | 2 | 4 |
2 | 23 | 5 | 33 | 3 | 2 | 4 |
3 | 47 | 1 | 45 | 2 | 1 | 1 |
4 | 17 | 6 | 23 | 6 | 0 | 0 |
5 | 10 | 7 | 8 | 8 | 1 | 1 |
6 | 43 | 2 | 49 | 1 | 1 | 1 |
7 | 9 | 8 | 12 | 7 | 1 | 1 |
8 | 6 | 9 | 4 | 9 | 0 | 0 |
9 | 28 | 4 | 31 | 4 | 0 | 0 |
\[\rho = 1 - \frac{6\sum{d^2_i}}{n(n^2-1)}\]
= 1 – (6*12)/(9(81-1))
= 1 – 72/720
= 1-0.1
= 0.9
> The Spearman Rank Correlation for this set of data is 0.9.
Spearman's Correlation Bundle:
There are several ways to navigate the large amount of summaries, study notes en practice exams on JoHo WorldSupporter.
Do you want to share your summaries with JoHo WorldSupporter and its visitors?
Field of study
JoHo can really use your help! Check out the various student jobs here that match your studies, improve your competencies, strengthen your CV and contribute to a more tolerant world
56430 | 2 | 1 |
Prif. Reza contributed on 11-01-2021 18:24
Azad university
Statistics Nwosu Chijioke Peter contributed on 04-06-2023 22:22
It added to my knowledge of statistics
Add new contribution