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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To find the median age, we first need to list all the ages in numerical order:
28, 31, 32, 34, 42, 47, 49, 54
Since there are 8 ages in total, the median will be the average of the 4th and 5th numbers in the list.
So the median age is:
(32 + 34) / 2 = 33 years
Therefore, the median age of the group of friends is 33 years.