Practice Positive Correlation (10.2.1) - Correlation Analysis - ICSE 11 Maths
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Positive Correlation

Practice - Positive Correlation

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Practice Questions

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Question 1 Easy

What is positive correlation?

💡 Hint: Think about two things that improve together.

Question 2 Easy

Give one example of positive correlation from daily life.

💡 Hint: Consider health-related activities.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What happens in positive correlation?

One variable decreases
Both variables increase
One variable remains constant

💡 Hint: Remember the definition of positive correlation.

Question 2

True or False: A correlation coefficient of -0.5 indicates a strong positive correlation.

True
False

💡 Hint: Check the correlation coefficient range.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the correlation between hours of study and exam scores based on a dataset. If the correlation coefficient is +0.85, what does this imply?

💡 Hint: Remember the strength indicators of the correlation coefficient.

Challenge 2 Hard

Given a case study where company revenue increases with marketing spend, calculate the correlation coefficient if the data shows a perfect relationship.

💡 Hint: Think about what a perfect relationship would look like.

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