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CORRELATION AND REGRESSION
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ML KHANNA-CORRELATION AND REGRESSION -QUESTION (FILL IN THE BLANKS)
- The Karl Pearson's coefficient of correlation between variables X and ...
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- Correlation coefficient is not affected by changes in ………….. And …………....
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- Covariation implies that two variables would vary in the ………… directio...
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- When the value of r=+1, correlation is ………… and when the two variables...
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- For the following observations : {:(X:,1,2,3,4,5),(Y:,1,4,9,16,25):}...
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- The purpose of regression is to study ……….. Between variables.
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- If one of the regression coefficient is unity, the other must be ……….....
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- The sign of regression coefficient is ………….. As that of correlation co...
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- When one regression coefficient is positive, the other would also be …...
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- The further the two regression lines cut each other, the …………. Be the ...
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- The regression analysis measures ………… between X and Y
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- Lines of regression are ………….. If r=0 and they are ………….. If r=pm1.
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- If the regression coefficients of X on Y and Y on X are -0.4, and -0.9...
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