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: [15.293, 221.056, 241.387, 81.3, 102.644, 146.885, -33.65, -36.56, -69.176]

Answer: 74.353


Question: [202.724, 129.438, -75.21, 114.102, 151.266]

Answer: 104.464


Question: [106.861, -28.954, -94.597, 45.106, -93.504, 215.902, -28.9, 101.328, 54.908, -18.72]

Answer:
25.943