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Correlation - Class XI Economics Quiz

Class XI
Economics
Correlation
15 questions
MEDIUM

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1. What does correlation measure in statistics?

The average of two variables · The relationship between two variables · The difference between two variables · The sum of two variables

2. Which of the following values indicates a perfect positive correlation?

0 · 1 · -1 · 0.5

3. What is the range of correlation coefficients?

-1 to 1 · 0 to 1 · -2 to 2 · 0 to 100

4. If the correlation coefficient is -0.8, what type of correlation exists?

Perfect positive · Strong negative · Weak positive · No correlation

5. Which method is NOT used to calculate correlation?

Karl Pearson's method · Spearman's rank method · Regression analysis · Method of least squares