We know that for a set of ordered numbers ... also divides the upper half of the data into two halves. The interquartile range is \(17 - 7 = 10\). (Sometimes we are asked for the semi ...

The range of a set of numbers is the largest value ... range shows the range in values of the central 50% of the data. To find the interquartile range, subtract the value of the lower quartile ...