Answer:
median = 3 pieces
Explanation:
The median is the middle value of the data arranged in ascending order. If there is not an exact middle value then the median is the average of the values either side of the middle.
Given the number of pieces then
2 2 4 4 ← pieces of cheese in ascending order
↑ middle is between 2 and 4, thus
median =
=
= 3