Correlation and RegressionPYQ Jan 25Question 4022 of 179
All Questions

Which one of the following statement is wrong?

Options

AThe normal curve is bell shaped.
BThe correlation coefficient between X and Y can be 2.6.
CIf r = 0, regression lines are perpendicular to each other.
DFor any two events A and B, P(A∪B)=P(A)+P(B)−P(A∩B)\displaystyle P(A \cup B) = P(A) + P(B) - P(A \cap B).
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Correct Answer

✅ Option b — The correlation coefficient between X and Y can be 2.6.

All Options:

  • AThe normal curve is bell shaped.
  • BThe correlation coefficient between X and Y can be 2.6.
  • CIf r = 0, regression lines are perpendicular to each other.
  • DFor any two events A and B, P(A∪B)=P(A)+P(B)−P(A∩B)\displaystyle P(A \cup B) = P(A) + P(B) - P(A \cap B).

About This Chapter: Correlation and Regression

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.

View Official ICAI Syllabus

Exam Strategy Tip

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

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