add them all up and divide by 2 ! 7+14+10+14+29+16+15=? ?/2=? Answer:52.5->53
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The mean (average) of those numbers is 16.
Mean = (12+14+25+10+25+15+11)/7 = 112/7 = 16
14
10, 12, 14
Mean is calculated by adding the numbers, then divide by the count of numbers.The count is 3 in this case. 15 + 10 + 15 = 40, so mean = 40/3 = 13.3333.....