Texas Instruments TITANIUM TI-89 User Manual
Page 566

Statistics and Data Plots
566
In the Data/Matrix Editor, you can enter the scores and the category values in two
columns.
To use category values, specify the category column and the category values to include
in the analysis when you perform a statistical calculation or define a stat plot.
Test scores
Category values
c1
c2
85
1
97
3
92
2
88
3
90
2
95
1
79
4
68
2
92
4
84
3
82
1