Texas Instruments TI-73 EXPLORER - Manual (Page 127)

Chapter 6: Statistical Plots
121
7306ENG.DOC Statistical Plots and Analyses Julie Hewlett Revised: 05/29/98 3:52 PM Printed: 05/19/99 9:00 AM
Page 121 of 20
3. Display the
STAT PLOTS
menu and select
Plot1
.
- e
1
b
4. Define
Plot1
as a Pie chart
as shown to the right.
# " " " " b #
- v
PETS
b #
- v
AMNT
b
# " b
5. Display the stat plot.
*
6. Trace the Pie chart, if
desired.
)
" and ! (to trace
from section to section)
Histogram Histogram Ò
Histograms are useful for representing data grouped in
intervals, and it plots the data’s frequency of occurrence for
each interval.
Thirty students recently took a math test. All scores between
100-90 are considered an A, 89-80 as a B, 79-70 as a C, 69-60 as
a D, 59-0 as an F. Use a Histogram to show the scores grouped
by their letter grade.
³
SCORE
FREQ
{99,96,92,88,84,78,74,70,66,64}
{1,2,3,5,2,7,4,3,2,1}
A percentage
Pie chart
CategList
Data List name
and section's
numerical value
8 birds is
23.529% of
the total pets
owned.