[Solution] (a) Estimate whether the following pairs of scores for X and Y refl ect a positive relationship, a negative relationship, or no relationship.
Question: (a) Estimate whether the following pairs of scores for X and Y refl ect a positive relationship, a negative relationship, or no relationship. Hint: Note any tendency for pairs of X and Y scores to occupy similar or dis-similar relative locations .
| X | Y |
| 64 | 66 |
| 40 | 79 |
| 30 | 98 |
| 71 | 65 |
| 55 | 76 |
| 31 | 83 |
| 61 | 68 |
| 42 | 80 |
| 57 | 72 |
( b) Construct a scatterplot for X and Y . Verify that the scatterplot does not describe a pronounced curvilinear trend.
(c) Calculate r using the computation formula (6.1).
Deliverable: Word Document 