Grade 9 Scatter Plot Association Worksheet
Explore scatter plots, identify types of association (positive, negative, no association), and understand correlation at a Grade 9 level.
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Scatter Plot Association
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Read each question carefully and provide your answer in the space provided. For multiple choice questions, circle the best option.
1. Which type of association is shown in a scatter plot where the points generally go up from left to right?
Negative association
Positive association
No association
Curvilinear association
2. What does a correlation coefficient of -0.9 indicate about the relationship between two variables?
A strong positive association
A weak positive association
A strong negative association
No association
3. A scatter plot shows the relationship between two variables.
4. When there is no clear pattern in a scatter plot, we describe it as having association.
5. Describe a real-world scenario that would likely show a positive association in a scatter plot. Explain your reasoning.
6. A scatter plot with points clustered tightly around a downward sloping line indicates a strong positive association.
True
False
7. Observe the scatter plot below. Describe the association you see (positive, negative, or no association) and its strength (strong, moderate, or weak).