Chapter $3$ Forecasting

Week Pattent Atrivals$/$Actuals

Forceast

$1400$

$2380$

$3411$

a$.$ Prepate a three week moving average forecast for Week $4$

b$.$ Ifthe actual # of patient arrivals in week $4$ is $415,$ what is the forecast error for week, $4.$

c$.$ What is the forecast for week $S$ using three week moving average? $($Use week $4$ Actual in Part b$)$

Week

Patient Arrivals$/$Actuals

Forecast

$4400$

$5380$

$6411$

d$.$ Preparea weighted moving average forecast for Week $7($using $\mathrm{.}50,\mathrm{.}30,\mathrm{.}20)$

e$.$ Ircheactual a of patient anivals in week $7$ is $415,$ what is the forecast error corweels?

fo what is the forecast for week $8$ using weighted moving average? $($Use week Iectual in Rarte$)$

Wheeks Patient Amivals$/$Actuals Forecast

$1400$

$2380$

$3411$

$390$