<prompt> Translate the following text to EnglishKwa kuongezea, quintile ya kwanza inasimama mbali kwa kuwa sekunde zake kwa kipande pia ni karibu kupotoka kwa kiwango mbili kubwa kuliko wastani, wakati zile nyingine nne zote ni chini ya kupotoka kwa kiwango kimoja kutoka kwa wastani.  <response>: Moreover, the first quintile stands apart in that its seconds per piece is also nearly two standard deviations greater than the mean, while the other four are all less than one standard deviation from the mean. 