Question
Which of the following statements about correlation
coefficient and regression coefficients are correct? (A) The correlation coefficient is unaffected by change of origin and scale (B) Regression coefficients are independent of change of origin but not of scale (C) Correlation coefficient is the geometric mean of two regression coefficients (D) If one regression coefficient is greater than 1, the other must also be greater than 1 Choose the correct answer from the options given belowSolution
(A) The correlation coefficient is unaffected by change of origin and scale: True, it measures the strength of a linear relationship regardless of the units of measurement. (B) Regression coefficients are independent of change of origin but not of scale: True, changing the scale affects the slope but not the relationship's nature. (C) Correlation coefficient is the geometric mean of two regression coefficients: True, it's a relationship between the regression coefficients in bivariate normal distribution.
Fill blank number 26 with correct option:
Spinning and weaving exploded _______ to big garment factories, dyeing ______ the rivers and water table with chemicals.
Fill up the blank with the word that makes the sentence grammatically and contextually correct.
Either my father or my brothers ___________ co...
Just as I began to get _________ about the surroundings, she applied the brakes.
The Federal Reserves’s statement came _____ the two day policy meet where the central bank ________ key policy rates unchanged but _________ to begin...
It took us hours to wake Willie from his ___________ stupor.Â
In the following question, an incomplete statement followed by fillers is given. Pick out the best filler to complete the incomplete statement, correc...
No one knew exactly what they would be tested on so most of the boys had moved swiftly to the library to ____________ royal etiquette and manners.
After recapitalization, government should _________ on a linked reform.
(A) expedite (B) bind (C) hustle (D) speed up
...Spinning ______ be primary or secondary but the income would go ________ to the kitchen.
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