Home
Class 12
MATHS
Mean of x = barx = square Mean y = ba...


Mean of `x = barx = square`
Mean `y = bary = square`
`b_(xy)=(square)/(square)`
`b_(yx)=(square)/(square)`
Regression equation of `x` on `y` is `x-barx = b_(xy )(y-bary)`
`:.` Regression equation of `x` on `y` is `square`
Regression equation of `y` on `x` is `y - bary = b_(yx) (x - barx)`
`:.` Regression equation of `y` on `x` is `square`

Text Solution

Verified by Experts

The correct Answer is:
2, 20 , 3 9 , `1/2` 2x - y +3 = 0 , 2x - y + 3 = 0
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Part II 4. TIME SERIES (I) Choose the correct alternative.)|5 Videos

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Part II 4. TIME SERIES (II) Fill in the blanks|5 Videos

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Part II 3. LINEAR REGRESSION (IV.Answer the following:)|15 Videos

  • PROBABILITY DISTRIBUTION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|9 Videos

  • THREE DIMENSIONAL GEOMETRY

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|8 Videos

Similar Questions

Explore conceptually related problems

b_(xy) = (square)/(square) b_(yx) = (square)/(square) :. Regression equation of x on y is square :. Regression equation of y on x is square

b_(yx) is the ….. of regression line of y on x

Knowledge Check

  • In the regression equation of X on Y

    A
    X is independent and Y is dependent.
    B
    Y is independent and X is dependent.
    C
    Both X and Y are independent.
    D
    Both X and Y are dependent.

  • If the regression equation x on y is 3x+2y=26 then b_(xy) equals to

    A
    `3//2`
    B
    `2//3`
    C
    `-3//2`
    D
    `-2//3`

  • Regression equation of Y on X 2x+3y-12=0. The value of byx is

    A
    `-2//3`
    B
    `-3//2`
    C
    `2//3`
    D
    `3//2`

    • Similar Questions

    Explore conceptually related problems

    State True or False: Regression coefficient of x on y is the slope of regression line of x on y

    The regression coefficient of y on x is sigma_(x)//sigma_(y)

    if the regression coefficient of Y on X is4/3,then the regression coefficient of X and Y :

    The regression equation of x on y is 40x-18y = 214… (i) The regression equation of y on x is 8x -10y +66 =0….. (ii) Solving equations i and ii, barx=square bary=square :. b_(yx) = (square)/(square) :. b_(xy) = (square)/(square) :. r = square

    Mean of x= 25 Mean of y =20 sigma_x = 4 sigma_y=3 r = 0.5 b_(yx) = square b_(xy)= square When x = 10 y-square=square(10 - square) :. y = square

    Home
    Profile