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: [-74.139, -62.711, 83.1, 211.243, -2.696, 30.722, 79.262, 230.335]

Answer: 61.89


Question: [-61.905, -98.66, 90.472, 237.317, 5.243, 196.933]

Answer: 61.567


Question: [-6.507, 144.895, 157.652, 246.949, 133.287]

Answer:
135.255