For a group of graduating college seniors a researcher recor
For a group of graduating college seniors, a researcher records each student’s rank in his/her high school graduating class and the student’s rank in the college graduating class. Which correlation should be used to measure the relationship between these two variables?
Pearson correlation
Spearman correlation
Point-biserial correlation
Phi-coefficient
| Pearson correlation | ||
| Spearman correlation | ||
| Point-biserial correlation | ||
| Phi-coefficient |
Solution
clearly this should be measured by spearman rank correlation coefficient which takes the pearson correlation of ranks in data.
