4 std_dev, 5 variance, 6 maximum – Cirrus Logic CDB5463U User Manual

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CDB5463U

DS805DB2

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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

i

0

=

n 1

–

∑

n

------------------------------------------------

=

VARIANCE

Xi MEAN

–

(

)

2

i

0

=

n 1

–

∑

n

------------------------------------------------

=