Texas Instruments TI-80 Manual Book page 145

Box Plot
¾
Histogram
¿
Frequencies in
Stat Plots
¾
(box plot) plots one-variable data. The whiskers on the plot
extend from the minimum data point in the set (
first quartile ( Q1 ) and from the third quartile (
maximum point ( MAXX
median ( ), and
MED
Box plots are plotted with respect to
ignore YMIN and YMAX
first plots at the top of the screen and the second plots in the
middle. When three are plotted, the first plots at the top, the
second in the middle, and the third at the bottom.
¿
(histogram) plots one-variable data.
width of each bar, beginning at
must be  31. A value occurring on the edge of a bar is
counted in the bar to the right.
The frequency list specified for a statistical plot works just
like the frequency lists specified for other statistical
calculations (pages 9-14 through 9-16).
If you want to exclude an outlying data point from a plot,
enter a zero for that value in the frequency list to prevent
having to change the data lists.
). The box is defined by
(page 9-17).
Q3
XMIN
. When two box plots are plotted, the
.
XMIN
) to the
MINX
Q3 ) to the
Q1 , the
and , but
XMAX
XSCL determines the
(XMAX – XMIN)àXSCL
Statistics 9-19