Algebra 2 2-5 Independent Practice: Using Linear Models
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by Matthew Richardson
| 8 Questions
1
10
Describe the correlation in the data represented in the scatter plot below.

zoom_in

No correlation
Negative correlation
Strong negative correlation
Strong positive correlation
Positive correlation
2
10
Make a scatter plot of the set of points.

3
10
Describe the correlation in the data you graphed in the previous item.
Negative Correlation
No Correlation
Positive Correlation
Strong Positive Correlation
Strong Negative Correlation
4
10
The set {(2, 58), (6, 105), (8, 88), (8, 118), (12, 117), (16, 137), (20, 157), (20, 169)} is graphed below.

Sketch a trend line to model the data. Use a contrasting color.
5
10
Writing: How can you determine whether two variables x and y for a real-life situation are correlated?
6
10
Analysis: Do you think a trend line on a graph is always the same as the line of best fit? Why or why not?
7
10
Compare and Contrast: What is the difference between a positive correlation and a negative correlation?
How might you relate positive correlation with direct variation?
8
10
Reflection: Math Success
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