Question

What is the median of the 19 numbersplotted in the line plot below?

Answer 1

Recall that the median of a set of numbers is the number in the middle of the set, after the numbers have been rearranged from lowest to highest.

From the plot, we get that the number, arranged from lowest to highest are:

$40,40,40,40,40,41,41,41,42,42,43,43,43,43,44,44,44,45,45.$

The number in the middle of the above set is:

$42.$

Therefore the median of the given numbers is:

$42.$

Answer: 42.