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Question
Example for positive correlation is
Options
Income and expenditure
Price and demand
Repayment period and EMI
Weight and Income
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Solution
Income and expenditure
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Calculate the correlation coefficient for the following data.
| 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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The variable whose value is influenced (or) is to be predicted is called
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Calculate the coefficient of correlation from the following data:
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Calculate the correlation coefficient from the following data:
∑X = 125, ∑Y = 100, ∑X2 = 650, ∑Y2 = 436, ∑XY = 520, N = 25
