Casio fx-CG50 Getting Started page 9

You can draw graphs from the lists of data using
Feature Useful for...
Telling the calculator
what type of graph and
which list(s) to use.
The settings depend on
the type of graph – see
examples below.
Hint: you can set 3 graphs
Scatter Draw a SCATTER GRAPH.
Use
the following setttings:
GRAPH TYPE: Scatter
(q)
XLIST: List number with
st
your 1 set of values
YLIST: List number with
nd
your 2 set of values
FREQUENCY: 1 or List of
frequencies
The other settings allow
you to set colours and
mark type.
MedBox Draw a BOX PLOT
Use
the following setttings:
Graph Type: MedBox
(uw)
XList: List number with
your values
Frequency: 1 or List of
frequencies
Outliers: Off (default) or
On
The other settings allow
you to set colours.
Hist Draw a HISTOGRAM.
Use
the following setttings:
GRAPH TYPE: Hist
(uq)
XLIST: List number with
your values
FREQUENCY: 1 or List of
frequencies
The other settings allow
you to set colours.
Steps / key presses
From the statistics menu press
q(
Choose which graph number you
wish to set (q,w,e).
Press d to return to the graph
screen.
From the graph screen press the
key for your graph in SET
above and
You can draw the regression line
(line of best fit). From the graph
plot, press qwwu for a
linear regression.
From the graph screen press the
key for your graph created in SET.
above and
Hint: You can find the values of
each quartile by pressing
Lq (TRACE) and using the
cursor !$
From the graph screen press the
key for your graph created in SET.
above and
Enter the START value (the lowest
value for the graph to start) and
the WIDTH of each interval. Then
press l
(q)
) then u (
).
Screen
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