Answer:
77,936
Step-by-step explanation:
To find the mean, add up all the numbers, then divide by that amount of numbers. So, 12,274 + 12,368 + 12,544 + 12760 + 12,911 + 13,162 + 13,419 = 89,438/ 7 = 77,936.
12,274+12,368+12,544+12,760+12,911+ 3,162+13,419 = 89,438
89,438/ 7 = 77,936.
to find the mean you have to add all the numbers and then divide it by the amount of number there are in this case its 7
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