Which of the following two sets of regression lines are the true representative of the information from the bivariate population?
I. and , .
II. and , and
I only
Explanation of correct option:
For statement I. and , .
Substitute in L.H.S. of
L.H.S.
Substitute in L.H.S. of
For statement II. and , and
Substitute and in L.H.S. of
Substitute and in L.H.S. of
Therefore, statement II is incorrect statement.
Hence, the correct option is option (C).