Outliers are information factors that differ considerably from different observations. They are often brought on by measurement errors, information entry errors, or just pure variation. Figuring out outliers is essential as a result of they’ll skew the outcomes of statistical analyses.
There are a number of methods to calculate outliers in Excel. One widespread methodology is to make use of the Interquartile Vary (IQR). The IQR is the distinction between the seventy fifth percentile and the twenty fifth percentile. Knowledge factors which are greater than 1.5 instances the IQR above the seventy fifth percentile or under the twenty fifth percentile are thought-about outliers.
