Anxiety can often make these related conditions worse, so talk with a mental health care professional if anxiety begins to interfere on a daily basis.
In probability theory and statistics, the variance of a random variable is a measure of its statistical dispersion, indicating how far from the expected value its values typically are. The variance of a real-valued random variable is its second central moment, and it also happens to be its second cumulant.
at variance with. at variance with somebody/something. different from or not agreeing with someone or something What she told the police was totally at variance with the truth. My opinions seem to be completely at variance with my friends' opinions. See also: variance.