Answer:
The answer is C: 15.5
Step-by-step explanation:
you would set up your work like this 11 13 13 14 14 15 18 19 19 19
Mean is In mathematics and statistics, the arithmetic mean, or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection.
Hope this helps please mark brainliest :)
