IB Statistics and Probability Problem 011
A data set is: \(\left[ 18, 18, 19, 19, 20, 22, 22, 23, 27, 28, 28, 31, 34, 34, 36 \right]\)
The box-and-whisker diagram for this data is shown below.
Write down the values:
\(A\)
\(B\)
\(C\)
\(D\)
\(E\)
Find the interquartile range.