108
Chapter 7
Statistical Graphs and Calculations
P.101
(G-Type)
(N•Dis)
Med
Q3
1
2
3
4
Q1
maxX
k
k
k
k
k
Normal Distribution Curve
The normal distribution curve is graphed using the following normal distribution func-
tion.
y
=
1
(2
π
)
x
σ
n
e
–
2
x
σ
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
[
4
(SET), and then change the graph type of the graph you want to use (GPH1,
GPH2, GPH3) to normal distribution.
k
k
k
k
k
Displaying Single-Variable Statistical Results
Single-variable statistics can be expressed as both graphs and parameter values.
When these graphs are displayed, the menu at the bottom of the screen appears as
below.
1
(1VAR) ...... Single-variable calculation result menu
Pressing
1
(1VAR) displays the following screen.
1
(1VAR)
minX
Summary of Contents for fx-7400G PLUS
Page 7: ... fx 7400G PLUS ...
Page 14: ...xii Contents ...
Page 57: ...Differential Calculations Chapter 3 ...
Page 176: ...162 Chapter 8 Programming ...
Page 188: ...Chapter 9 Data Communications 174 ...
Page 199: ...185 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 200: ...186 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 201: ...187 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 202: ...188 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 205: ...191 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...