Year Value Forecast "Forecast

Error" "Squared

Forecast

Error" $4.$ Use the time series data to the left in answering questions a$-$c below. $(10$ points$)$

$1234$

$2287($a$)$ In the space provided to the left, develop a two$-$year moving average for this time series. $(6$ pts$)$

$3255$

$4310$

$5298($b$)$ Compute MSE $=(2$ pts$)$

$6255$

$7302($c$)$ Compute a forecast for year $11=(2$ pts$)$

$8267$

$9225$

$10336$