$4\mathrm{.}9.$ Zone$-$based regression for Trip Generation $-$ Shoridan. The new census figures are available. The number of vehicles owned in each zone in the Shoridan area has been entered into the table below, along with base$-$year estimates of the number of trips made in a typical day by all households in each TAZ. Use regression analysis to create an equation that can be used to forecast trips by households in a zone in a future year, given an estimate of vehicle ownership in that zone.

$\backslash$table$[[$Trip Generation data for Shoridan$],[$TAZ$,$Trips by HHs$,$Vehicles,TAZ,Trips by HHs$,$Vehicles,$],[1,3860,427,6,4578,527,],[2,13338,1187,7,9519,931,],[3,4043,710,8,8861,929,],[4,6468,672,9,9337,734,],[5,2434,373,10,3920,571,]]$