Question $4$

$\frac{3}{3}$ pts

What is the average inflation rate as measured by the CPI from $1990$ to $1998?$

$\backslash$table$[[$Year$,\backslash$table$[[$Consumer$],[$Price Index$]]],[1990,130\mathrm{.}7],[1991,136\mathrm{.}2],[1992,140\mathrm{.}3],[1993,144\mathrm{.}5],[1994,148\mathrm{.}2],[1995,152\mathrm{.}4],[1996,156\mathrm{.}9],[1997,160\mathrm{.}5],[1998,163\mathrm{.}0]]$

$2\mathrm{.}8\%$

$3\mathrm{.}1\%$

$4\mathrm{.}0\%$

$24\mathrm{.}7\%$