Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Business Statistics and Research Methods Correlation and regression of two variables
Which of the following statements is false?
1. When value of correlation coefficient is one, the two regression lines coincide
2. The regression coefficients are independent of the change of origin and of scale
3. The sign of the regression coefficients are always the same
4. The square of the coefficient of correlation is called coefficient of determination
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