GeoMax Zoom80 Series - Page 174

Zoom80 | 174Technical Data
Distance meas-
uring program
Averaging
In the distance measuring program Averaging, the following values are
displayed:
D Slope distance as arithmetic mean of all measurements
s Standard deviation of a single measurement
n Number of measurements
These values are calculated as follows:
Slope distance as arithmetic mean
of all measurements
 Sum
D
i
Single slope distance measure-
ment
n Number of measurements
s Standard deviation of a single
slope distance measurement
 Sum
Slope distance as arithmetic mean
of all measurements
D
i
Single slope distance measure-
ment
n Number of distance measurements
TS_114
· ∑ D
i
D =
1
n
n
i = 1
TS_115
s =
(D
i
- D)
2
n - 1
=
D
i
2
-
n - 1
( D
i
)
2
∑
n
i = 1
∑
n
i = 1
∑
n
i = 1
1
n