User guide

CDB5463U
DS805DB2 23
2.8.11.4 STD_DEV
Indicates the standard deviation of the collected data set. The standard deviation is calculated using the
following formula:
2.8.11.5 VARIANCE
Indicates for the variance of the current data set. The variance is calculated using the following formula:
2.8.11.6 MAXIMUM
Indicates the maximum value of the collected data set.
2.8.11.7 MINIMUM
Indicates the minimum value of the collected data set.
STDDEV
Xi
MEAN
–
()
2
i0=
n1–
∑
n
------------------------------------------------
=
VARIANCE
Xi
MEAN
–
()
2
i0=
n1–
∑
n
------------------------------------------------=