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 to ...

The natural gas market entered Week 52 with continued winter pressure. A forecast for storage withdrawal of -158 BCF for week ...

The interquartile range is another measure of spread, except that it has the added advantage of not being affected by large outlying values. In order to calculate this value we must first understand ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Khadija Khartit is a strategy, ...

We know that for a set of ordered numbers, the median \({Q_2}\), is the middle number which divides the data into two halves. Similarly, the lower quartile \({Q_2}\) divides the bottom half of the ...