Texas Instruments TITANIUM TI-89 User Manual

Page 544

Statistics and Data Plots

544

Note:

To use an existing list variable for x, y, Freq, or Category, type the list name

instead of a column number. An example using Freq, Category, and Include
Categories is available.

3. Press

¸ after typing in an input box, press ¸ twice).

The results are displayed on the

STAT VARS

screen. The format depends on the

Calculation Type

. For example:

Note:

Any undefined data points (shown as

undef

) are ignored in a stat calculation.

4. To close the

STAT VARS

screen, press

¸.

Redisplaying the STAT VARS Screen

The Data/Matrix Editor’s Stat toolbar menu redisplays the previous calculation results
(until they are cleared from memory).

2 ‰

For Calculation Type = OneVar

For Calculation Type = LinReg

When

is shown

instead of =, you
can scroll for
additional results.