632 Using Data & Statistics
5. Press ·.
The function plots in the work area.
Editing a function
You can edit a function and update it on the work area.
1. You can edit a function by double-clicking the equation and then
making changes as required.
2. Press
· after making all changes and the updates display in the
work area.
Using Data & Statistics functions in other applications
Data & Statistics functions are stored as variables, and may be used in
other applications, in the same manner as any other variable. Support for
all function types is included.
Note: Function numbers increment to use the next available. If you have
defined f1(x) and f2(x) in Graphs & Geometry, the first function you
create in Data & Statistics will be f3(x).
Using Show Normal PDF
You can approximate data plotted in the Data & Statistics work area
against the normal probability density function. The tool overlays the
normal probability density function using the mean and the standard
deviation of the data in the histogram.
To show the normal probability density function for plotted data:
1. Add a variable to the x-axis.
2. On the
Plot Types menu, select Histogram.
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