The stem-and-leaf plot with two rows for each stem shows the heights, in inches, of a group of plants. Display this data in a dot plot.

What is one key difference between how the stem-and-leaf plot and the dot plot display the data?

The following data set shows the number of hours $19$ employees worked last week:

$32354038363739413433423638403739353441$

Summarize the data by creating a box and whisker plot.

The box and whisker plot shown represents the weekly sales in units of its $28$ sales representatives. What percentage of the sales representatives sold more than $55$ units in a week?