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Mean

The mean is the total of the numbers divided by how many numbers there are.

To work out the mean:

1. Add up all the numbers.
   7 + 9 + 11 + 6 + 13 + 6 + 6 + 3 + 11 = 72

2. Divide the answer by how many numbers there are.
   There are 9 numbers.
   72 ÷ 9 = 8
   So the mean value is 8.