Answer:
b) stem-and-leaf-plot because it showed each value in the set of data
Step-by-step explanation:
First let's clarify the concept of median, the median is the average value of a sample of data, that is, the data of half.
Now, a histogram is a graph of frequency, therefore although it organizes the data from highest to lowest, we will see the number of times in this case the age is repeated in a certain range.
For its part, stem-and-leaf-plot shows each data of the sample in an organized way, therefore it will be easier to find the data of half.
In other words, the correct answer is b.