Answer:
10.9857142857 ≈ 10.99
Explanation:
To calculate the mean you have to:
1. add up all the numbers
2. divide the sum by the number of values there are in the data set
Add all the values up and divide by 7 ( as there are 7 values in the data set)
1.9 + 10 + 11 + 16 + 12 + 12 + 14 = 76.9
If you divide by 7, you will get 10.9857142857.
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