Sampling data - Intermediate & Higher tier - WJEC Cumulative frequency – Intermediate & Higher tier - WJEC Averages and range - WJEC Discussing results - WJEC Mean, median and mode ...

This example uses the flight delay data of the preceding example to illustrate how you can create box charts with various styles of box-and-whisker plots. For simplicity, the control limits are ...

In the article of Spriestersbach et al. (4), it was stated that, in contrast to the box, the definition of the so-called “whiskers” in the box plot diagram is not uniform. A diagram designated as a ...

A box plot is a schematic representation of a distribution. The vertical lines in the box mark the 25th, 50th, and 75th percentiles of the data. The pth percentile of a distribution is the value such ...

The interquartile range (IQR) is a statistical measure of the middle values of a sample data set that is separated into four equal parts. This middle-value grouping can provide a median range between ...