\[
\begin{array}{c|c}
\text { Q.28 Following ob } \\
x+y=3 \\
2 x+y=6 \\
x+2 y=4
\end{array}
\]
Q.28 Following observation equations are obtained in a survey task.
Using least square method, the most probable values of \( x \) and \( y \) will be
(A) \( \quad x=2.10, y=0.90 \)
(B) \( \quad x=2.64, y=0.64 \)
(C) \( \quad x =2.51, y =0.51 \)
(D) \( \quad x=2.75, y=0.75 \)
