User Manual

398 Chapter 23: Activities

23ACTS.DOC TI-89/TI-92 Plus: Activities (English) Susan Gullord Revised: 02/23/01 1:24 PM Printed: 02/23/01 2:20 PM Page 398 of 26

7. Press

, and modify the

Include Categories

item for Plot

2 through Plot 5 to the

following:

Plot 2: {1,2}

(freshman boys, girls)

Plot 3: {7,8}

(senior boys, girls)

Plot 4: {1,3,5,7}

(all boys)

Plot 5: {2,4,6,8}

(all girls)

8. In the Y= Editor, deselect any

functions that may be selected

from a previous activity.

9. Display the plots by pressing

„

and selecting

9:Zoomdata

10. Use the

Trace

tool to compare

the median student weights for

different subsets.

all students

all freshmen

all seniors

all boys

all girls

median, all students

Note: Only Plot 1 through

Plot 5 should be selected.