Practice Calculation of Correlation Coefficient - 10.5 | 10. Correlation Analysis | ICSE Class 11 Maths
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10.5 - Calculation of Correlation Coefficient

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define the correlation coefficient.

💡 Hint: Think about how it helps in understanding relationships.

Question 2

Easy

What is the range of values for the correlation coefficient?

💡 Hint: Remember: extremes give you information about positive and negative relationships.

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 indicate?

  • Strong Positive Correlation
  • Strong Negative Correlation
  • No Correlation

💡 Hint: Think about how the two variables move together.

Question 2

True or False: A correlation coefficient can ever be greater than 1.

  • True
  • False

💡 Hint: Recall the definition of how correlation works.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are given the following data about weekly hours of exercise and the pounds lost over a month: Hours: [2, 3, 4, 5], Pounds Lost: [1, 1.5, 3, 4]. Calculate the correlation coefficient and explain its significance.

💡 Hint: Keep your calculations organized for better clarity.

Question 2

Given a set of grouped data for height (in cm) and average scores in mathematics, how would you calculate the correlation coefficient, and what factors would affect your analysis?

💡 Hint: Consider how the frequencies are represented and calculated!

Challenge and get performance evaluation