Sharp el-9950 - Page 151

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Chapter 8: Statistics & Regression Calculations
15 .Select9 Stat and press
E
.
Youcandirectlypress
9
at step 13 to select 9 Stat.
The histogram will appear on the display.
 Whenyoudrawthegraphusingtheautomaticstatisticszoom
function (9 Stat), the division number is automatically set to
Xmax –Xmin
Xscl
(default value: 10). If you wish to show the graph
hour by hour, change the value in the WINDOW menu.
1. Press
W
.
Window(Rect)settingmenu
will appear.
2. Enter the values as shown in
the diagram to the right.
Ymaxisdeterminedbythemaximumaccessnumber(253at
20:00onSunday).
3. Press
G
.
Youcancompareupto3
statistical data by setting
PLOT2/PLOT3toon.
1. Press
[
A
E
andmovethecursortoGRAPH.
2. Press
[
again.
3. Press
B
and
1
(broken line with circle dots).
4. Press
G
.
The histogram is now
changed to a broken line graph.
5. Press
@
q
to clear the screen.
6. Press
[
and select B PLOT2.
7. Setasfollows.
PLOT:on,DATA:X,ListX:L1,andFreq:L3.
Set the WINDOW
settings
Set the statistical
plotting of PLOT1
(Sunday data) to
a broken line
Compare the
access rates
on Sunday and
Monday