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Question
Draw scatter diagram for the data given below. Is there any correlation between Aptitude score and Grade points?
| Aptitude score | 40 | 50 | 55 | 60 | 70 | 80 |
| Grade points | 1.8 | 3.5 | 2.8 | 1.7 | 2.8 | 3.2 |
Diagram
Solution
| Aptitude score(x) | 40 | 50 | 55 | 60 | 70 | 80 |
| Grade points (y) | 1.8 | 3.5 | 2.8 | 1.7 | 2.8 | 3.2 |
The points are completely scattered i.e., no trend is observed.
∴ There is no correlation between the Aptitude score (X) and Grade point (Y).
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