
Tracing a scatter plot
The gures below the plot indicate that the cursor is at the second data point of S1, at ((1, 920). Press
to move to the next data point and display information about it.
Tracing a curve
If the regression line is not showing, tap . The coordinates of the tracer cursor are shown at the
bottom of the screen. (If they are not visible, tap .)
Press to see the equation of the regression line in Symbolic view.
If the equation is too wide for the screen, select it and tap .
The following example shows that the slope of the regression line (m) is 425.875 and the y-intercept (b) is
376.25.
Plotting statistical data 257
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