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प्रश्न
From the two regression equations y = 4x - 5 and 3x = 2y + 5, find `barx and bary`
उत्तर
Two regression lines are y = 4x - 5 and 3x = 2y + 5
Solving above equations
8x - 2y = 10
3x - 2y = 5
- + -
5x = 5
∴ `barx = 1`
Using x = 1 in y = 4x - 5
`bary = -1`
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संबंधित प्रश्न
In a contest, the competitors are awarded marks out of 20 by two judges. The scores of the 10 competitors are given below. Calculate Spearman's rank correlation.
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| Judge A | 2 | 11 | 11 | 18 | 6 | 5 | 8 | 16 | 13 | 15 |
| Judge B | 6 | 11 | 16 | 9 | 14 | 20 | 4 | 3 | 13 | 17 |
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| No. of Matches Played (X) | Data of matches of 5 players | ||||
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