Or... (13 + 13 + 8 + 15 + 6 + 22 + 13 + 13 + 6) / 9 = 12.111
And there very well could be more 13s in there which might bring the mean (aka, average) up to 13 after rounding.
..or it could be just a frame behind, as Ajenbo said.
And there very well could be more 13s in there which might bring the mean (aka, average) up to 13 after rounding.
..or it could be just a frame behind, as Ajenbo said.
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