Line of Best Fit Notes - Part 1
State whether the data have a positive correlation, a
negative correlation, or no correlation.
1.
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Make a scatter plot of the data. Use the horizontal axis to represent time. Then,
state whether the data have a positive correlation, a negative correlation, or no
correlation. Draw a line of best fit. Pick two points on the line and write an
equation of the line, in slope-intercept form.
4.
Year
Population (in
millions)
1965
9.4
(0,1.^
1970
11.0
(*> ll^
1975
13.9
1980
17.0
19.4
1985
1990
21.3
(z
23.0
1995
2000
25.6
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5.
Hours of 3
Practice
Placement 45
4
5
7
8
9
10
11
12
34
30
20
15
17
10
9
3
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