[Script Info]
Title:
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.00,0:00:03.00,Default,,0000,0000,0000,,Obviously, these are the numbers with which to compute the mean.
Dialogue: 0,0:00:03.00,0:00:10.00,Default,,0000,0000,0000,,With my calculator, I get the total sum of 153 divided by 7 gives me 21.85.
Dialogue: 0,0:00:10.00,9:59:59.99,Default,,0000,0000,0000,,Here it is.