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.

Q: [74.43, 138.738, 114.237, 138.845, 188.957, 103.103, -43.988, -68.085, 157.274]

A: 89.279
****
Q: [-98.809, 139.617, 148.76, -52.034, 161.969, 117.253, 16.668, 164.37, -75.91, -31.599]

A: 49.028
****
Q: [140.276, -15.335, 193.793, 243.607, 133.838, 83.034, 98.676, 120.333, 89.905, 171.014]

A:
125.914
****