Calculating And Graphing Paired-Variable Statistical Data - Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual

3. Calculating and Graphing Paired-Variable
Statistical Data
Drawing a Scatter Diagram and
The following procedure plots a scatter diagram and connects the dots to produce an
graph.
1. From the Main Menu, enter the STAT mode.
2. Input the data into a list.
3. Specify Scat (scatter diagram) or
graph operation.
Press , or
Example
STAT
(Scatter diagram)
xy
( line graph)
Drawing a Regression Graph
Use the following procedure to input paired-variable statistical data, perform a regression
calculation using the data, and then graph the results.
1. From the Main Menu, enter the STAT mode.
2. Input the data into a list, and plot the scatter diagram.
3. Select the regression type, execute the calculation, and display the regression parameters.
4. Draw the regression graph.
xy
(QUIT) to return to the statistical data list.
Input the two sets of data shown below. Next, plot the data on a scatter
diagram and connect the dots to produce an
0.5, 1.2, 2.4, 4.0, 5.2 (
–2.1, 0.3, 1.5, 2.0, 2.4 (
(GRPH) (SET)
(GRPH) (SET)
(Scatter diagram)
xy
Line Graph
xy
( line graph) as the graph type, and then execute the
x
List)
y
List)
(Scat)
xy
( ) (GPH1)
xy
(
6-9
xy
line graph.
(GPH1)
line graph)
xy
line