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

Answer: 104.464


Question: [58.271, 233.766, -9.758, -40.349, 145.507, 90.294, 186.999]

Answer: 94.961


Question: [52.075, -59.106, 40.261, -65.456, 136.403, -96.463, -98.623, 193.043, 93.633]

Answer:
21.752