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 ...

The interquartile range (IQR) is an important concept ... determining whether your data has any outliers. The box plot then draws two whiskers or lines representing the maximum and minimum values ...

75% of the players are over 70 kg. True or false. Estimate the interquartile range. The median is indicated by the line inside the box. It is approximately 76 kg. The lightest player is 50 kg.