Family practice
The IQR is the length of the middle half.
Optional until a teacher marks it
min 2, Q1 5, median 8, Q3 13, max 18
A box plot has Q1 = 5 and Q3 = 12.
The interquartile range is the length of the interval that holds the middle 50% of the data. The range holds everything from least to greatest.
Problem 1 of 8. What we learned, an example, a few together, then independent practice.
min 2, Q1 5, median 8, Q3 13, max 18