Question

the two regression equation are x+3y-88=0 and 2x+y-71=0 . find mean value of x and y
​

Answer 1

Answer:

x+3y=88_______(1)

2x+y=71________(2)

(1)और(2)से

2x+6y=176

2x+y=71

- - -

________

0 5y=105

y=21

yके मान समीकरण(1)में रखने पर,

x+3×21=88

x+63=88

x=88-63

x=25

x=25, y=21