Mathematics · Statistics
Which of the following statements relating to Correlation and Regression are true? (a) The Coefficient of Correlation is independent of change of origin and scale. (b) The Coefficient of Correlation between two variables is the arithmetic average of the two Regression Coefficients. (c) The probable error of the Coefficient of Correlation is 0.6745 times its standard error. (d) The Coefficient of Correlation multiplied by the ratio between the standard deviations of the two variables denotes the slope of the regression line.
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- 1(b), (c) and (d)
- 2(b) and (d)
- 3(a), (c) and (d)✓
- 4(a), (b) and (c)
Correct answer
(a), (c) and (d)
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