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If the regression coefficients are both 0 then r is 0. The reasoning for either one of them being 0 holds true mathematically but in the econometrics sense, rxy = 0, means that there is no linear relationship between x and y as covariance is 0; so one of the regression coefficient being non-zero would indicate existence of a relationship between the two variables. Hence, option c is the most appropriate one.
How many tests are scheduled between tests of Q and T?
If Daniel is related to ITC - Brown in the same way as Mathew is related to Airtel - Purple . Following the same pattern, find out James is related to w...
What is the age of the one who likes Mango?
Who among the following sits exactly between the one who likes Pug and W?
Four of the following five are alike in a certain way based on the given arrangement and so form a group. Which is the one that does not belong to that ...
Who among the following lives on Top floor?
Which of the following boxes is kept on shelf six?
Which of the following statements is true as per the given arrangement?
How many people live between the floors on which Tina stay and the one having an income of 3500?
Which of the following statement(s) is false?