Question

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. 16 22 24 30 16 + 22 / 2 = 38 / 2 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.

Explanation:

Step1: Recall median - finding process

To find the median of a set of numbers, we first need to arrange the numbers in ascending or descending order.

Step2: Analyze Luke's work

Luke did not put the numbers 16, 24, 12, 7, 30, 11, 22 in order before attempting to find the median. His method of just picking numbers and performing calculations is incorrect.

Answer:

He forgot to put the numbers in order first.