Correlation and Coefficients Worksheet
Explore correlation and coefficients with this Grade 9 math worksheet, covering scatter plots, types of correlation, and interpreting correlation coefficients.
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Standards
Correlation and Coefficients
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following correlation coefficients indicates the strongest linear relationship?
0.75
-0.90
0.20
-0.50
2. What does a correlation coefficient of +1 indicate?
Perfect negative correlation
No correlation
Perfect positive correlation
Weak positive correlation
3. A scatter plot showing data points generally moving from the top-left to the bottom-right indicates a correlation.
4. The variable that is changed or controlled in a scientific experiment is called the variable.
5. A correlation always implies causation.
True
False
6. A correlation coefficient of 0 indicates no linear relationship between two variables.
True
False
7. Describe the difference between positive and negative correlation. Provide an example of each.
8. Examine the scatter plot below. Describe the type and strength of the correlation shown.
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