Question

106. For the variables x and y, the two
regression lines are 6x + y = 30 and
3x + 2y = 25. What are the values of
x,y and r respectively ?
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Answer 1

Step-by-step explanation:

6x+y=3

3x+2y=25

then

12x+2y=6

3x+2y=25

then

sud

12x+2y=6

3x+2y=25

- - -

then

9x= 19

x=19\9 then

value of put in 6x+y=3

y = 3 - 6( 19\9)

y =3-2(19\3)

y=9-38\3

y=21\3

y=7