•The correct or menu label on (Numeric view).

•The correct fit (regression model), if the data set is two-variable.

•Only the data sets to compute or plot are checkmarked (Symbolic view).

•The correct plotting range. Try using Auto

Scale (instead of ), or adjust the plotting parameters (in Plot Setup) for the ranges of the axes and the width of histogram bars (HWIDTH).

In mode, ensure that both paired columns contain data, and that they are the same length.

In mode, ensure that a paired column of frequency values is the same length as the data column that it refers to.

Exploring the graph

The Plot view has menu keys for zooming, tracing, and coordinate display. There are also scaling options under . These options are described in“Exploring the graph” on page 2-7.

Statistics aplet’s PLOT view keys

KeyMeaning

CLEAR

Erases the plot.

Offers additional pre-defined views for splitting the screen, overlaying plots, and autoscaling the axes.

Moves cursor to far left or far right.

Displays ZOOM menu.

Turns trace mode on/off. The white box appears next to the option when Trace mode is active.

Statistics aplet

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