For two variables $x$ and $y$ with the same mean the regression equation are $y = 2x - \alpha$ and $x = 2y - \beta$, what is the value of common mean

The correct answer is Option a: $-\alpha$. MTP Nov 18

Correlation and RegressionMTP Nov 18Question 3732 of 179

For two variables $\displaystyle x$ and $\displaystyle y$ with the same mean the regression equation are $\displaystyle y = 2x - \alpha$ and $\displaystyle x = 2y - \beta$ , what is the value of common mean

\displaystyle -\alpha

\displaystyle \beta

\displaystyle 0

\displaystyle -\beta

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✅ Option a — $\displaystyle -\alpha$

Paper

Paper 3: Quantitative Aptitude

Weightage

4-6 Marks

Key Topics

Correlation Coefficient, Regression Equations

This chapter covers Correlation Coefficient, Regression Equations and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.

Exam Strategy Tip

This topic carries 4-6 Marks weightage. Focus on understanding core concepts rather than memorizing.

A statistical method used for estimating the relationships between a dependent variable and one or more independent variables.

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