The average mean is: B. 16.5
You can find the mean by adding up the numbers, in this case:
17.2+18.3+14.9+16.8+15.3=82.5
then divide it by the number of data points, which would be: (17.2+18.3+14.9+16.8+15.3)/15=16.5
Hope it helps!
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