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If the line of regression are parallel t...

If the line of regression are parallel to the coordinate axis, then the coefficient of correlation is

A

1

B

`(1)/(2)`

C

`-1`

D

0

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Knowledge Check

  • If the line of regression coincide, then the coefficient of correlation is

    A
    0
    B
    1 only
    C
    `-1` only
    D
    1 or -1

  • If the two regression coefficients are - 0.4 and -1.6, then the coefficient of correlations is

    A
    0
    B
    `-0.9`
    C
    0.8
    D
    1

  • The range of values for coefficient of correlation is

    A
    [0,1]
    B
    [-1,0]
    C
    [-1,1]
    D
    (-1,1)

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    The two line of regression are perpendicular if

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