Calculate the linear regression, correlation coefficient, and estimate an average for the data set.
distance in meters | heart rate |
|---|---|
105 | 142 |
125 | 110 |
115 | 120 |
140 | 98 |
145 | 102 |
160 | 89 |
170 | 72 |
140 | 100 |
130 | 107 |
105 | 113 |
Step 1
Select STAT or click 2 from the main menu to enter the function.
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Step 2
Enter the data in List 1 and List 2.
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Step 3
Click GRPH F1 to see the scatter plot.
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Step 4
To see the mean, click CALC F1, then 2VAR F1.
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Step 5
To see the linear regression and correlation coefficient, click CALC F1, then X F2, then ax+b F1.
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Step 6
Click DRAW F6 to see the regression line on the graph.
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