A statistical method used to detect outliers in a univariate data set can be implemented using spreadsheet software. This facilitates the identification of values that deviate significantly from the rest of the data, potentially indicating errors or unusual observations. For instance, in a series of experimental measurements, a single, drastically different value might be flagged as an outlier for further investigation using this approach within a common spreadsheet program.
Applying such a test in a spreadsheet environment offers several advantages. It provides a readily accessible and understandable means of identifying potentially erroneous data points without requiring specialized statistical software. This accessibility is particularly beneficial in fields where data analysis is a routine task, but advanced statistical training may not be prevalent. Historically, the manual computation of this test statistic was tedious; therefore, leveraging readily available software significantly improves efficiency and accuracy.