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: [95.472, 109.291, 245.955, 86.122, -90.639, 144.544, 31.063, 89.001, 40.671]

Answer: 83.498


Question: [-4.969, 232.548, 81.586, 13.448, -85.528, -1.661, -76.971]

Answer: 22.636


Question: [-74.011, -3.459, 90.465, 21.88, 30.098, 138.19]

Answer:
33.86