The box-and-whisker diagram represents the numbers of strawberries harvested from 30 strawberry plants.

Find the IQR (interquartile range).

The masses of 100 male Amazon dolphins were represented in a box-and-whisker diagram.

Write down the five-point summary of the data.

The masses of 100 male Amazon dolphins were represented in a box-and-whisker diagram.

Calculate the range and IQR.

The masses of 100 male Amazon dolphins were represented in a box-and-whisker diagram.

Find the number of dolphins who weigh $52 \mathrm{kg}$ or less.

Write a five-point summary for the data set:
$1,1,2,3,3,3,4,4,4,4$

Write a five-point summary for each data set:
$10,18,15,24,15,16,21,17,15,13,12$

Write a five-point summary for each data set:
$10000,64000,12000,11500,11750,12250,10300$

Construct a box-and-whisker diagram for this data on the number of lost property items found on a train

$\begin{array}{|ccccc|}\hline \text{ Minimum }& {\mathrm{Q}}_1& \text{ Median }& {\mathrm{Q}}_3& \text{ Maximum }\\ 15& 22& 33& 37& 41\\ \hline\end{array}$

The number of minutes that $10$ people wait to be connected to a helpline are recorded.
$5,8,13,19,20,22,22,27,30,34$

 Find the median.