(a) If the two lines of regression are
3x+2y-26=0 and 6x+y-31=0, find the
correlation between the values of x and y.
Answers
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Answer:
The value of X=4,y=7
Step-by-step explanation:
Given that,
3x+2y-26=0 ---------(1)
6x+y-31=0 -----------(2)
From equation (1)and(2),
3x+2y=26 ---------(3)
6x+y=31 ---------(4)
{equation(3)×2}-{equation (4)}
6x+4y=52
6x+ y=31
__________
(-) 3y=21
=)y=21÷3
=)y=7
From equation (3),
3x+(2×7)=26
=)3x+14=26
=)3x=26-14
=)3x=12
=)X=12÷3
=)X=4
Answer: X=4 and y=7.
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