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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
Содержание fx-7400G PLUS
Страница 7: ... fx 7400G PLUS ...
Страница 14: ...xii Contents ...
Страница 57: ...Differential Calculations Chapter 3 ...
Страница 176: ...162 Chapter 8 Programming ...
Страница 188: ...Chapter 9 Data Communications 174 ...
Страница 199: ...185 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Страница 200: ...186 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Страница 201: ...187 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Страница 202: ...188 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Страница 205: ...191 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...