Question

The time, in minutes, that it took several different runners to complete a race is shown below.

49, 50, 53, 54, 55, 60, 62, 68, 70, 71, 72, 73


What is the mean of the data?
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Answer 1

I got around 61.416 by adding all of the numbers together then dividing by 12 because that's how many numbers there were.

Answer 2

the mean (average) can be found by adding up all the numbers, then dividing that by how may numbers there are...

(49+50+53+54+55+60+62+68+70+71+72+73) /12 = 737/12 = 61.41..or 61 5/12