KwickClips Artificial Intelligence · 41 sec · free
Can r be 1.5?
Short answer. No.
What does r = 0 mean?
No linear link.
Pearson r
| r | Meaning |
|---|---|
| +1 | perfect rise |
| 0 | no link |
| -1 | perfect fall |
Remember
| r is always from -1 to +1 |
Your answer says r is one point five. Is that possible? Never. R goes from minus one to plus one. Plus one is a perfect rise. Zero is no link. Minus one is a perfect fall. R always stays between minus one and plus one.
This clip is from the full lesson: Regression: Correlation and Linear Regression — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 11 Artificial Intelligence (843), CBSE Class 12 Artificial Intelligence (843)
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