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प्रश्न
The value of the coefficient of correlation r lies between:
विकल्प
0 and 1
-1 and 0
-1 and +1
-0.5 and +0.5
उत्तर
-1 and +1
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संबंधित प्रश्न
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| x | 6 | 2 | 10 | 4 | 8 |
| y | 9 | 11 | ? | 8 | 7 |
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| Sales (₹) | 31 | 36 | 48 | 37 | 50 | 45 | 33 | 41 | 39 |
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| Age of husbands | 23 | 27 | 28 | 29 | 30 | 31 | 33 | 35 | 36 | 39 |
| Age of wives | 18 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 32 |
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| X | 25 | 18 | 21 | 24 | 27 | 30 | 36 | 39 | 42 | 48 |
| Y | 26 | 35 | 48 | 28 | 20 | 36 | 25 | 40 | 43 | 39 |
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| Y | 17 | 28 | 30 | 32 | 38 | 49 |
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