In order to calculate this value we must first understand what the lower quartile, median and upper ... cumulative frequency to use LQ = \(\frac{n}{4}\) and UQ = \(\frac{3n}{4}\). To work out ...

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 ...