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

    Question

    For a set of 10 pairs of values of x and y, the

    regression line of x -2y+12=0; mean and standard deviations of y being 8 and 2 respectively. Later it is known that a pair (x=3, y=8) was wrongly recorded and the correct pair detected is (x=8, y=3). Find the correct regression line of x on y
    A x = y + 3 Correct Answer Incorrect Answer
    B x = y - 4 Correct Answer Incorrect Answer
    C x = y - 4 Correct Answer Incorrect Answer
    D x = y - 3 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

       

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