Practice Correlation Coefficient - 14.7 | 14. Joint Probability Distributions | Mathematics - iii (Differential Calculus) - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the range of the correlation coefficient?

πŸ’‘ Hint: Think about the extremes where one variable perfectly predicts the other.

Question 2

Easy

What does a correlation coefficient of 0 indicate?

πŸ’‘ Hint: Recall what happens when the two paths of the variables cross.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does a correlation coefficient of -1 represent?

  • Perfect positive correlation
  • Perfect negative correlation
  • No correlation

πŸ’‘ Hint: Think about the direction of the relationship.

Question 2

True or False: A correlation of 0 means there is a linear relationship.

  • True
  • False

πŸ’‘ Hint: Remember what correlation measures.

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Challenge Problems

Push your limits with challenges.

Question 1

Given that the correlation between study hours and test scores is 0.85, describe the implications for students' study habits.

πŸ’‘ Hint: Consider how focusing on study time could impact grades.

Question 2

If the correlation coefficient between two variables is calculated to be -0.3, discuss what this indicates about their relationship.

πŸ’‘ Hint: Reflect on what weak correlations mean for real-world interactions.

Challenge and get performance evaluation