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: [20.796, 39.383, -26.46, -27.224, 89.591, 87.502, 211.781, 127.87, 223.38]

Answer: 82.958


Question: [-75.579, -19.294, 243.752, 167.559, 86.218, 48.102, 28.694, 31.259, 182.995]

Answer: 77.078


Question: [106.046, 223.433, 166.438, 186.429, 71.013]

Answer:
150.672