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: [-7.057, 122.729, -78.932, 52.502, 191.819, 80.994, 29.505, -10.501]

Answer: 47.632


Question: [227.874, 175.626, 193.094, 63.963, 139.938]

Answer: 160.099


Question: [-81.432, -63.059, 150.144, 55.203, 215.405, -89.797, 72.946]

Answer:
37.059