Agilent Technologies 7000B Series - Page 173

Measurements and Math Functions 5
InfiniiVision 7000B Series Oscilloscopes User’s Guide 173
The mean is calculated as follows:
where:
x
= the mean.
N = the number of measurements taken.
x
i
= the i
th
measurement result.
The standard deviation is calculated as follows:
where:
 = the standard deviation.
N = the number of measurements taken.
x
i
= the i
th
measurement result.
x
= the mean.
Top
The Top of a waveform is the mode (most common value) of the upper
part of the waveform, or if the mode is not well defined, the top is the
same as Maximum. The Y cursor shows the value being measured.
x
x
i
i 1=
N

N
--------------=

x
i
x–
2
i 1=
N

N 1–
------------------------------=