Problem $1$

Registration numbers for an accounting seminar over the past $10$ weeks are shown below:

Week

$]$

$3$

$10$

$2$

$4$

$5$

$6$

$7$

$9$

$8$

Registrations $222125273529333741$

$37$

Ft$+=$Dt

Week

$4$

$10$

$2$

$3$

$11$

$6$

$7$

$8$

$9$

$5$

$]$

Forecast

hDti$1-$i

rt$+1$

n

Week

$4$

$8$

$10$

$2$

$6$

$5$

$9$

$11$

$]$

$3$

$7$

Forecast

E$+$

$$

$$

Week

$7$

$2$

$6$

$8$

$10$

$$

$9$

$4$

$11$

$5$

$]$

Forecast

$]$

b$)$ Starting with week $3$ and ending with week $11,$ Precast registrations using a two$-$week moving average.

c$)$ Starting with week $5$ and ending with week $11,$ forecast registrations using a four$-$week moving average.

$104$

a$)$ Sta$$t$$g with week $2$ and ending with week $11,$ forecast registrations using the $$forecasting method.

SCM$301$

Chapter $9-$ Forecasting PRACTICE PROBLEMS

Problem $2$

$\backslash$Sigma $\backslash$Beta D t$=2$D$\%$I

$+1=$

n

Week

Forecast

$8$

$$

$2$

$10$

$9$

$$

$4$

il

$5$

$10$

$6$

$13$

$7$

Problem $3$

Carmen's decides to Precast auto sales by weighting the tkee weeks as follows:

Period

Last week

$0\mathrm{.}5$

Two weeksago

$0\mathrm{.}33$

Three weeks ago

$0\mathrm{.}17$

$"$

$+2=$

$1$

Week

Forecast

$8$

$]$

$10$

$2$

$3$

$9$

$4$

$11$

$5$

$10$

$6$

$13$

$7$

$2$

Auto Sales

Auto sales at Carmen's Chevrolet are shown below. Develop a $3-$week moving average Precast for weeks $4-7.$

Weights Applied

Auto Sales

SCM$301$

Chapter $9-$ Forecasting PRACTICE PROBLEMS

Calculate the weighted moving average forecast for weeks $4-7.$

$7$Z