What is the interquartile range of 10, 3, 8, 6, 9, 12, 13

If you would like to know the interquartile range from the following set of numbers, you can find this using the following steps:

The interquartile range is the difference between the third and the first quartiles.

Lower quartile: 6

Upper quartile: 12

Interquartile range: upper quartile - lower quartile = 12 - 6 = 6

The correct result would be 6.