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: [41.308, 149.33, -33.086, -10.268, 209.148, -69.203, -68.646, -82.073, 83.754]

Answer: 24.474


Question: [223.847, 115.483, 148.407, -44.824, 99.251, 36.833, -45.949]

Answer: 76.15


Question: [67.796, -84.772, 182.833, 87.455, 21.435, 58.087, 38.98, -18.137, 246.089]

Answer:
66.641