The interquartile range is the difference between Q3 (the third quartile) and Q1 (the first quartile).
To find the interquartile range in the given data set:
Q1 = 30
Q3 = 71
Interquartile range = Q3 - Q1 = 71 - 30 = 41
Therefore, the interquartile range is 41.
3. 41
In the data set below, what is the interquartile range?
25, 30, 30, 55, 62, 62, 66, 69, 71, 80, 92
1. 30
2. 62
3. 41
4. 71
1 answer