Variance
01
差异, 方差
a difference or deviation from what is expected or typical
例子
The temperature variance this year was higher than usual.
今年的温度方差比往常高。
There was a slight variance in the experiment ’s results.
实验结果有轻微的差异。
02
an official permission to act contrary to a rule, law, or regulation, especially in building or zoning
例子
They applied for a variance to build beyond the lot line.
The city council granted a variance for the unusually tall structure.
03
the state or quality of being subject to change or variation
例子
The variance of temperature from day to night is significant.
Natural variance in rainfall affects crop yield.
04
方差
a measure of the dispersion or spread of a set of data points in statistics, representing the average squared deviation from the mean
例子
In statistics, variance is a measure of how spread out the values in a data set are around the mean.
在统计学中，方差是衡量数据集中值在均值周围分散程度的指标。
The variance of a random variable is the expectation of the squared deviation of that variable from its mean.
随机变量的方差是该变量与其均值平方偏差的期望。
05
disagreement that divides a group
例子
Internal variance caused the team to split.
Family variance arose over the inheritance.
06
an event or occurrence that departs from expectation
例子
The sudden snowstorm was a variance from the forecast.
His promotion was a variance from predicted outcomes.
词汇树
covariance
variance
vary
