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295
From the statistical data list, press 1 (GRPH) to display the graph menu, press 6
(SET), and then change the graph type of the graph you want to use (GPH1, GPH2,
GPH3) to mean-box graph.
kk
kk
k Normal Distribution Curve
The normal distribution curve is graphed using the following normal distribution func-
tion.
y
=
1
(2π) xσ
n
e
–
2xσ
n
2
(
x–
x
)
2
The distribution of characteristics of items manufactured according to some fixed
standard (such as component length) fall within normal distribution. The more data
items there are, the closer the distribution is to normal distribution.
From the statistical data list, press 1 (GRPH) to display the graph menu, press 6
(SET), and then change the graph type of the graph you want to use (GPH1, GPH2,
GPH3) to normal distribution.
kk
kk
k Line Graph
A line graph is formed by plotting the data in one list against the frequency of each
data item in another list and connecting the points with straight lines.
Calling up the graph menu from the statistical data list, pressing 6 (SET), changing
the settings to drawing of a line graph, and then drawing a graph creates a box
graph.
⇒
6(DRAW)
The display screen appears as shown above before the graph is drawn. At this
point, you can change the Start and pitch values.
Calculating and Graphing Single-Variable Statistical Data 18 - 3
P.289
(Graph Type)
(N•Dis)
P.289
(Graph Type)
(Brkn)
123456
Note :
This function is not usually used in
the classrooms in U.S. Please use
Med-box Graph, instead.
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