11.7 Scatter Plots
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Mathematics
•
8th Grade
•
Medium
Standards-aligned
Keegan Kuhlman
Used 4+ times
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5 Slides • 3 Questions
1
11.7 Scatter Plots
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Quick Refresh:
What is the slope of this line?
What is the y-intercept of this line?
3
Multiple Choice
Which of the following graphs is the best match for this equation?
4
Multiple Select
Which of the following statements are true about the line of best fit? Select all that apply
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Interpreting Scatter Plots
The equation for the line of best fit is
What does the slope mean in the context of the graph?
What does the y-intercept mean in the context of the graph?
6
Residuals and Correlation Coefficients
Residuals - points that don't line up well with the line of best fit
Correlation Coefficients
Stronger when there are fewer residuals
Weaker when there are more residuals
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Multiple Choice
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Changing the correlation coefficient
Correlation Coefficients exist on a scale of -1 to +1-- closer to -1 is weaker, closer to +1 is stronger
The current correlation coefficient of this graph is -0.7
If the point (1,40) is added to the graph, is it going to make the correlation coefficient stronger or weaker?
11.7 Scatter Plots
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