Correlation coefficient (r) ranges from:

A 0 to infinity

B -1 to +1, where -1 is perfect negative, 0 is none, and +1 is perfect positive linear relationship

C -100 to 100

D 0 to 1 only

✓ Correct Answer: Option B

Pearson r: measures strength and direction of linear relationship. r=+1: perfect positive, r=-1: perfect negative, r=0: no linear relationship. r² = coefficient of determination.

💡 Why is B) the correct answer?

The correct answer to the question "Correlation coefficient (r) ranges from:" is Option B: -1 to +1, where -1 is perfect negative, 0 is none, and +1 is perfect positive linear relationship.

The other options — A) 0 to infinity, C) -100 to 100, D) 0 to 1 only — are incorrect for this Pre-MBA Exam Prep question. As explained above: Pearson r: measures strength and direction of linear relationship. r=+1: perfect positive, r=-1: perfect negative, r=0: no linear relationship. r² = coefficient of determination.

📚 About This Pre-MBA Exam Prep Practice Question

This 2-level Pre-MBA Exam Prep question from the Statistics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Pre-MBA Exam Prep practice test or use flashcards for spaced repetition review.

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Correlation coefficient (r) ranges from:

✓ Correct Answer: Option B

📚 About This Pre-MBA Exam Prep Practice Question

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