Texas Instruments TI-89 Manual Book page 415

Note: Only Plot 1 through
Plot 5 should be selected.
398 Chapter 23: Activities
7. Press ƒ, and modify the
item for Plot
Include Categories
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 tool to compare
Trace
the median student weights for
different subsets.
all students
all freshmen
all seniors
all boys
all girls
.
median, all students