Sharp EL-9450 Operation Manual page 130

Graphing calculator
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Set the WINDOW
settings
Compare the access rates on Sunday and Monday
Set the statistical
plotting of PLOT1
(Sunday data) to
a broken line
Chapter 8: Statistics & Regression Calculations
15. Select 9 Stat and press E.
You can directly press 9 at step 14 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
X
X
max
min
(default value: 10). If you wish to show the graph
X
scl
hour by hour, change the value in the W 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 maxi-
mum 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 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.
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