单词 | variance |
释义 | varianceDefinitions 1. The difference between an expected and actual result, such as between a budget and actual expenditure. 2. Statistics: The arithmetic mean of the squares of the deviations of all values in a set of numbers from their arithmetic mean. Variance and its square root (the standard deviation) are of fundamental importance as a measure of dispersion. Use 'variance' in a SentenceThere was a lot of variance in our budget this year, so we will have to cut back on the number of yacht trips that we take. There is a large variance between what the company predicted it was going to make and what the company actually made. |
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