Our company processes widgets. Consider the following data for $23$ widgets. Each widget was weighed before and after processing.

$\backslash$table$[[$Widget$,\backslash$table$[[$Weight before$],[$processing$],[($pounds$)]],\backslash$table$[[$Weight after$],[$processing$],[($pounds$)]]],[1,0\mathrm{.}1,0\mathrm{.}07],[2,0\mathrm{.}17,0\mathrm{.}02],[3,0\mathrm{.}4,0\mathrm{.}16],[4,0\mathrm{.}75,0\mathrm{.}15],[5,0\mathrm{.}66,0\mathrm{.}38],[6,0\mathrm{.}15,0\mathrm{.}12],[7,0\mathrm{.}78,0\mathrm{.}67],[8,0\mathrm{.}3,0\mathrm{.}03],[9,0\mathrm{.}09,0\mathrm{.}01],[10,0\mathrm{.}5,0\mathrm{.}11],[11,0\mathrm{.}58,0\mathrm{.}38],[12,0\mathrm{.}22,0\mathrm{.}01],[13,0\mathrm{.}9,0\mathrm{.}25],[14,0\mathrm{.}91,0\mathrm{.}64],[15,0\mathrm{.}69,0\mathrm{.}2],[16,0\mathrm{.}41,0\mathrm{.}3],[17,0\mathrm{.}31,0\mathrm{.}09],[18,0\mathrm{.}84,0\mathrm{.}19],[19,0\mathrm{.}55,0\mathrm{.}15],[20,0\mathrm{.}77,0\mathrm{.}59],[21,0\mathrm{.}28,0\mathrm{.}22]]$