Question

The stem-and-leaf plot represents the distances, in miles, people in an office drive to work each morning.

How many people drive 20 miles or fewer to work?



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A stem-and-leaf plot with a stem value of 1 with a leaf value of 5, 5, 6, 6, 7, 7, 8, 8, a stem value of 2 with a leaf value of 1, 4, 5, 9, and a stem value of 3 with a leaf value of 0, 5, 5, 6.

Key: 1|5 means 15

Answer 1

A total of 11 people drive 20 miles or fewer to work, as found by adding the leaves under the stems '1' and '2' that represent distances up to 20 miles in the stem-and-leaf plot.

Step-by-step explanation:

A stem-and-leaf plot is an organized display of data that helps us visualize the distribution. To find out how many people drive 20 miles or fewer to work, we need to count the number of leaves associated with the stem '1' and the leaves associated with the stem '2' that correspond to distances between 10 and 20 miles.

The data given shows two leaves under the stem '2' that represent distances of 20 miles or less (2|1 and 2|4). Adding these to the nine leaves under the stem '1', we find that a total of 11 people drive 20 miles or fewer to work.