In mathematics and statistics, deviation is a measure of difference between the observed value of a variable and some other value, often that variable's mean. The sign of the deviation reports the direction of that difference. The magnitude of the value indicates the size of the difference.

What do u mean by deviation?

Deviation means doing something that is different from what people consider to be normal or acceptable. ... In statistics, deviation is the difference between the value of one number in a series of numbers and the average value of all the numbers in the series.

What is deviation example?

Deviation is defined as the act of departing from the accepted practice or the norm. When you always go to the store on Monday and one week you go to the store on Tuesday, this is an example of a deviation. noun. 13.