New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Let X and Y represent prices in Rs of a

    commodity in Kolkata and Mumbai respectively. It is given X(bar) = 65, Y(bar) = 67, standard deviation of X = 2.5, standard deviation of Y = 3.5 and r(x,y) = 0.8. What is the equation of regression of y on x?
    A Y=0.175X-5 Correct Answer Incorrect Answer
    B Y=0.175X+5 Correct Answer Incorrect Answer
    C Y=1.12X+5.8 Correct Answer Incorrect Answer
    D Y=1.12X-5.8 Correct Answer Incorrect Answer

    Solution

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