Practice Negative Correlation (10.2.2) - Correlation Analysis - ICSE 11 Maths

Practice: Negative Correlation

Lesson 10.2.2Correlation Analysis

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8 questions

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6 sample questions

Question 1.
Define negative correlation in your own words.
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Think about how two things might act in opposite directions.
Question 2.
Give an example of negative correlation.
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Consider situations where one increases and the other decreases.
3Question 3.
What defines a negative correlation?
- Both variables increase together.
- One variable increases while the other decreases.
- No relation between the variables.
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Think about which direction the variables move.
4Question 4.
True or False: A correlation coefficient of -1 indicates a perfect negative correlation.
- True
- False
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Recall the scale of correlation coefficients.
Question 5.
You have data showing the relationship between hours of TV watched per week and grades in school. If the correlation coefficient is -0.65, what conclusions could you draw?
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Think about how increased leisure might impact study time.
Question 6.
Design a study that could test the negative correlation between fast food consumption and health outcomes. What methods would you use?
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Consider what data you would need for valid insights.

4 more questions in this section. Enroll free to practise them all.