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.

The numbers 7, 11, 24, and 30 are crossed out. StartFraction 16 + 22 Over 2 EndFraction = StartFraction 38 Over 2 EndFraction = 19.
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.

Answer 1

The mistake made by Luke is that he forgot to arrange the numbers in order first before finding the median.

How to find the median of a data?

The median is the middle number of a distribution when arrange in ascending or descending order.

7, 11, 12,16, 22, 24, 30

The number has been arrange from the smallest to the largest.

Therefore, the median can be calculated as follows:

median = 16

Therefore, Luke forgot to put the numbers in order first.

learn more on median here: https://brainly.com/question/26742240

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