Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Mathematics Statistics Correlation and Regression
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 the two variables is the arithmetic average of the two Regression Coefficients.
(c) The probable error of the Coefficient Correlation is 0.6745 times its standard error.
(d) 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
(a), (b) and (c)
2
(a), (c) and (d)
3
(b) and (d)
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(b), (c) and (d)