PRC-2 · Chapter 10 · Question 5 of 60
Under which mathematical condition is the correlation between two variables considered to be at its strongest?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) When r = 1
Explanation
The correlation between two variables is mathematically considered more strong when r = 1, indicating a perfect positive linear relationship.
More Correlation and Regression MCQs
- Q7Which of the following scenarios best describes a negative correlation coefficient?
- Q8Given the mathematical data set: ∑x = 75, ∑y = 225, ∑xy = 2851, ∑x² = 625, and n = 6. If calculated, what does the resulting equation y =…
- Q9What does a correlation coefficient of exactly 0 imply about a scatter diagram?
- Q10In a simple linear regression equation represented as y = 39 - 0.12x, what does the value -0.12 represent?
- Q11Why is it important to remember that a high correlation coefficient does not prove causation?
