Practice TYPES OF RELATIONSHIP - 6.2 | 6. Correlation | CBSE 11 Statistics for Economics
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TYPES OF RELATIONSHIP

6.2 - TYPES OF RELATIONSHIP

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define correlation in your own words.

💡 Hint: Think about how changes in one variable affect another.

Question 2 Easy

What does a scatter diagram represent?

💡 Hint: Consider what happens when you plot data points.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a positive correlation imply?

A: Both variables go up together.
B: One variable goes up while the other goes down.
C: There is no relationship.

💡 Hint: Think about what 'positive' means in everyday language.

Question 2

Spearman’s rank correlation is preferred when:

True
False

💡 Hint: Is Spearman used for rank data?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze data provided for studying hours and grades for a class of students. Calculate the correlation coefficient and interpret the relationship.

💡 Hint: Use the formula: r = Σ(XY) - (ΣX)(ΣY)/N.

Challenge 2 Hard

Given a scenario where temperature and ice cream sales data is collected, draw a scatter plot and analyze the correlation.

💡 Hint: Look for the overall trend in the scatter points.

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Reference links

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