134
FISCHERSCOPE
®
X-RAY
Addendum
Description of the Characteristic Statistical Parameters
[1]
Graf, Henning, Stange und Wilrich: Formeln der angewandten mathematischen
Statistik
(Equations in Applied Mathematical Statistics)
; Springer Verlag
(Springer
Publishing Company)
Coefficient of
variation
V
[%]
Ratio of the standard deviation to the
mean value
s
:
Standard deviation
:
Mean value of the block
For sufficiently large samples it can
be said:
:
Standard deviation
:
Mean value
Range
R
Difference between the maximum
and the minimum values of the block
: Highest reading of the block
: Lowest reading of the block
Range
R
p
[%]
Range relating to the mean value
R
:
Range in percent
:
Mean value of the block
n (<
LSL
)
Number of measurements that are
below the lower specification limit
Specification limits (
USL
,
LSL
) can
be entered in the menu
Evaluation
> Final evaluation...
, tab
SPC
,
command button
Parameter
.
n (>
USL
)
Number of measurements that are
above the upper specification limit
Parameter
Description
Equation
V
s
x
--
100
=
x
V
---
=
R
x
max
x
min
–
=
x
max
x
min
R
p
R
x
---
100
=
x
Summary of Contents for FISCHERSCOPE X-RAY 5000 Series
Page 22: ...22 FISCHERSCOPE X RAY Performing Manual Measurements Deleting Measurement Readings...
Page 36: ...36 FISCHERSCOPE X RAY User Interface of the WinFTM Software The Spectrum Window...
Page 40: ...40 FISCHERSCOPE X RAY WinFTM File Structure Product...
Page 118: ...118 FISCHERSCOPE X RAY Def MA Display the Measurement Mode...
Page 124: ...124 FISCHERSCOPE X RAY Calibration...
Page 142: ...142 FISCHERSCOPE X RAY Addendum Periodic Table of the Elements with X Ray Properties...
Page 156: ...156 FISCHERSCOPE X RAY Addendum Assignment of the Electrical Connections...
Page 183: ...WinFTM 183...
