In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
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Question: [37.853, 78.283, 143.128, 82.561, 181.661, -89.154, 50.037]

Answer: 69.196


Question: [79.04, 110.342, 208.846, 132.702, 48.832, -81.929]

Answer: 82.972


Question: [108.874, 56.014, 148.045, 246.685, 115.853, -2.791, 249.053, -51.407, 231.081, 57.763]

Answer:
115.917