To find the median age, first list all the ages in ascending order: 28, 31, 32, 34, 42, 47, 49, 54.
Since there are 8 ages listed, the median will be the average of the 4th and 5th ages, which are 34 and 42.
(34 + 42) / 2 = 38
Therefore, the median age is 38 years.
Measures of Center Practice
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3 of 53 of 5 Items
Question
The stem-and-leaf plot shows the ages of a group of friends. Find the median age.
Stem Leaf
2 8
3 1 2 4
4 2 7 9
5 4
Key: 2|8=28 years
(1 point)
years
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