Question

If the two regression equations are 2x+y-3=0 and 2x+3y-5=0, the mean of y values is
A) -1
B) 1
C) 2
D) 3​

Answer 1

Answer:

1 is the right answer.

Step-by-step explanation:

2x+y-3 = 0

2x+y= 3

2×1+1= 3

2x+3y-5=0

2x+3y= 5

2×1+ 3×1 =5