Using Window/Zoom Tools - Texas Instruments TINSPIRE Manual Book

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Showing a residual plot

You can show a residual plot to determine how well a line fits data. The

work area must include a scatter plot and one or more movable lines,

regressions, or plotted functions for

With a scatter plot, line of regression, and/or movable line in the

work area, select the

With multiple regressions or functions and movable lines plotted, you

can select each by clicking the line to show its residual plot.

Click and hold a dot on the residual plot to see the residual.

The residual plot for the selected regression or function displays in

the work area.

For consistency in comparing sets of data, residual plots do not rescale

when you move from one function or regression to another.

Select a function or regression before a showing residual plot. If no

function or regression is selected and there are several plotted, Data

& Statistics arbitrarily selects the function or regression for showing

the residual plot.

Axes can be adjusted by clicking and dragging.

Removing a residual plot

With a scatter plot, line of regression, and/or movable line in the

work area, select the

Using Window/Zoom tools

Use the Window/Zoom tools to redefine the graph to better view points

of interest. The Window/Zoom tools include:

Using Data & Statistics

Show Residual Plot

menu, and select

menu, and select

to be available.

Show Residual Plot

Hide Residual Plot