The data set shows the admission prices at several glass-blowing workshops.

$\$20,\ \$20,\ \$16,\ \$12,\ \$15,\ \$25,\ \$11$

Find and interpret the range, interquartile range, and mean absolute deviation of the data.

The range is
. The interquartile range is
. The mean absolute deviation is

Question 2
The prices vary by no more than $
. The middle half of the prices vary by no more than $
. The admission prices differ from the mean price by an average of $