$22$ OF $22$ QUESTIONS REMAINING

$\backslash$table$[[1,23,26\mathrm{.}40,-3\mathrm{.}40,3\mathrm{.}40],[2,26,25\mathrm{.}04,0\mathrm{.}96,0\mathrm{.}96],[3,36,25\mathrm{.}42,10\mathrm{.}58,10\mathrm{.}58],[4,26,29\mathrm{.}65,-3\mathrm{.}65,3\mathrm{.}65],[5,30,28\mathrm{.}19,1\mathrm{.}81,1\mathrm{.}81],[6,32,28\mathrm{.}92,3\mathrm{.}08,3\mathrm{.}08],[7.,26,30\mathrm{.}15,-4\mathrm{.}15,4\mathrm{.}15],[8,25,28\mathrm{.}49,-3\mathrm{.}49,3\mathrm{.}49],[9,28,27\mathrm{.}09,0\mathrm{.}91,0\mathrm{.}91]]$

Jim's department at a local department store has tracked the sales forecast of a product over the last ten weeks. What is the tracking signal?

$\mathrm{.}255$

$283$

$\mathrm{.}617$

$\mathrm{.}742$