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 ...

In statistics, the interquartile range (IQR) is a measure of statistical dispersion, representing the difference between the first quartile (25th percentile) and the third quartile (75th percentile) ...

Quartiles are the values that divide a data set into quarters: Put the values in order Divide the list into four equal parts The Quartiles are at the divisions The interquartile range shows the range ...

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