1
00:00:00,000 --> 00:00:06,000
For these 83 elements, I'll tell you that the sum of the values is 6618.47.
2
00:00:06,000 --> 00:00:15,000
The sum of the square is 528,679.
3
00:00:15,000 --> 00:00:19,000
Now, you can work this out yourself, but then you have to go through a awful lot of numbers,
4
00:00:19,000 --> 99:59:59,999
so I just did this for you. Give me the mean.