Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more ...

Learn how to use box plots in Six Sigma, and how to handle outliers and extreme values in your data analysis. Improve your process performance and improvement.

Recalculate the mean, standard deviation, and Z-scores after removing outliers to get a clearer understanding of your dataset with the outliers excluded. Step 10: Document your findings Ensure that ...

Spread the loveOutliers are data points that are significantly different from the rest of the data in a given dataset. Identifying and analyzing these outliers can help improve the accuracy of ...

The ABC News/Washington Post poll of Biden and Trump is an outlier. How do outlier polls happen and how should we interpret/look at/treat them?

The box plot is based on sample statistics, which are estimates of the corresponding population values. Sample variability will be reflected in the variation of all aspects of the box plot (Fig. 2).