Texas Instruments TI-73 EXPLORER 用户手册

     Chapter 6: Statistical Plots

7306ENG.DOC   Statistical Plots and Analyses   Julie Hewlett   Revised: 05/29/98 3:52 PM   Printed: 05/19/99 9:00 AM

Page 124 of 20

Graph the test scores data from the Histogram example as a

Box plot. (See previous section, if necessary.)

1. Turn off all stat plots.

- e

b

2. Display the Stat Plots menu.

- e

3. Define 

 as a Box plot as

shown to the right.

b # " " " "

" " b # - v

b #

- v

b

4. Display the stat plot using

the 

 command.

(

5. Trace the Box plot.

)
!  and "  (to trace

point to point)

 

Modified Box Plot   Õ

The Modified Box plot functions exactly like the Box plot,

except it separates outliers from the plot. Outliers are those

data points which are 1.5¦Interquartile Range beyond the

quartiles. The Interquartile Range is defined as the difference

between the third quartile, 

, and the first quartile, 

.

Outliers are plotted individually beyond the whisker, using the

 you select from the Stat Plot editor. Outliers are included

in plot traces with ).

³

Select the

Ö

 icon.

Q1 Median point and its value