The table below shows the number of cars sold last month by seven employees at Concord Motors and their number of years of sales experience.

$\backslash$table$[[$Experience$,$Sales$],[1,8],[2,6],[2,7],[4,14],[5,9],[6,13],[8,10]]$

Management would like to use simple regression analysis to estimate monthly car sales using the number of years of sales experience. The $95\%$ confidence interval for the regression slope is

$(-1\mathrm{.}842,3\mathrm{.}158)$

$(0\mathrm{.}408,0\mathrm{.}908)$

$(0\mathrm{.}058,1\mathrm{.}258)$

$(0\mathrm{.}481,1\mathrm{.}797)$