The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used ...

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

Learn how to calculate the interquartile range from a variety of different data types and draw and interpret box-and-whisker diagrams.

Formula of Mean: Know to How to Calculate Median for Grouped, Ungrouped data along with solved examples, questions with solution.

Data can be analysed by looking at how it is distributed, and how to calculate important key values such as median and range.