Luke was asked to find the median of the following
numbers
16, 24, 12, 7, 30, 11, 22
The work below shows the steps he used.
X X 16 22 24 30
What error did Luke make?
He forgot to put the numbers in order first
He crossed off the low and high pairs incorrectly
He left out a number when putting the numbers in
order
He did not make an error
16 + 22 = 38
19