‹ Back to the paper
Answer the following.
The equations of two lines of regression are and . Find the mean value of and .
The equations of two lines of regression are $4x + 3y + 7 = 0$ and $3x + 4y + 8 = 0$. Find the mean value of $x$ and $y$.
Answer
No answer yet.
From ISC 2024 Mathematics Paper 1, question 19(iv).