Basic Statistics20795 marksNumerical: rank correlation coefficientSpearman rank correlation coefficient
Following data represent the preference of 10 students studying BIT towards two brands of computers namely DELL and HP. Apply Pearson's rank correlation coefficient and compute correlation coefficient. Also interpret your result. | Computer | Student preference | | | | | | | | | | |---|---|---|---|-
Following data represent the preference of 10 students studying BIT towards two brands of computers namely DELL and HP. Apply Pearson's rank correlation coefficient and compute correlation coefficient. Also interpret your result.
| Computer | Student preference | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DELL | 5 | 2 | 9 | 8 | 1 | 10 | 3 | 4 | 6 | 7 |
| HP | 10 | 5 | 1 | 3 | 8 | 6 | 2 | 7 | 9 | 4 |
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Student 1 2 3 4 5 6 7 8 9 10 ----------------------------------------- DELL (X) 5 2 9 8 1 10 3 4 6 7 HP (Y) 10 5 1 3 8 6 2 7 9 4 Number of students $n = 10$. Both rows are already ranks (1 to 10, no ties). Step 1: Compute rank differences $d = X - Y$ and $d^2$ Student X Y $d = X-Y$ $d^2$ --------...