Problem $4\mathrm{.}5.$ The $($average$)$ sale price for single family property in Seattle and Port Townsend is tabulated below:

$\backslash$table$[[$YEAR$,$SEATTLE,PORT TOWNSEND$],[1970,$$$38,000,$$$8400$

Please complete all parts of the question below, show all work and answers please press on the picture since it wont paste the wording on top. Thank you.