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Variance
01
wariancja, różnica
a difference or deviation from what is expected or typical
02
wariancja, zwolnienie
an official dispensation to act contrary to a rule or regulation (typically a building regulation)
03
wariancja, różnica
a difference between conflicting facts or claims or opinions
04
wariancja, zmienność
the quality of being subject to variation
05
wariancja
a measure of the dispersion or spread of a set of data points in statistics, representing the average squared deviation from the mean
06
rozbieżność, kłótnia
discord that splits a group
07
wariancja, odchylenie
an event that departs from expectations
variance
n
vary
v
covariance
n
covariance
n
Przykład
The variance of a random variable is the expectation of the squared deviation of that variable from its mean.
There were significant variances between the test scores of the two groups.
When calculating the variance, you sum the squared differences from the mean.
In statistics, variance is a measure of how spread out the values in a data set are around the mean.
The variance formula involves summing the squared differences between each data point and the mean, divided by the number of data points.
