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

B x = y - 4

C x = y - 4

D x = y - 3

E None of these

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Solution