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 ...

There are 31 children in the class. The lower quartile is the \((31+1)\div 4\) value which is the \(8^{th}\) value, which is \(1\). The upper quartile is the \((31+1 ...

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 inters Week 46 with a modest storage gain, as reserves are forecast to rise more than 40 BCF during ...

The graph constructed and based on an analysis of data from Bloomberg and EIA. The U contract is trading at the average price 10 days before expiration for all expired contracts over the previous 15 ...