The number of plumbing repair jobs performed by Auger's Plumbing Service in each of the last nine months are listed below. $$\begin{array} { c c | c c | c c }
\text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } \
\hline \text { March } & 353 & \text { June } & 374 & \text { September } & 399 \
\text { April } & 387 & \text { July } & 396 & \text { October } & 412 \
\text { May } & 342 & \text { August } & 409 & \text { November } & 408
\end{array}$$
a.Assuming a linear trend function, forecast the number of repair jobs Auger's will perform in December using the least squares method.
b.What is your forecast for December using a three-period weighted moving average with weights of .6, .3, and .1? How does it compare with your forecast from part (a)?

Question

The number of plumbing repair jobs performed by Auger's Plumbing Service in each of the last nine months are listed below. $$\begin{array} { c c | c c | c c } 
\text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } \
\hline \text { March } & 353 & \text { June } & 374 & \text { September } & 399 \
\text { April } & 387 & \text { July } & 396 & \text { October } & 412 \
\text { May } & 342 & \text { August } & 409 & \text { November } & 408
\end{array}$$ 
a.Assuming a linear trend function, forecast the number of repair jobs Auger's will perform in December using the least squares method.
b.What is your forecast for December using a three-period weighted moving average with weights of .6, .3, and .1? How does it compare with your forecast from part (a)?

Quizplus · Accepted Answer

The Answer of The number of plumbing repair jobs performed by Auger's Plumbing Service in each of the last nine months are listed below. $$\begin{array} { c c | c c | c c } 
\text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } & \text { Month } & \text { Jobs } \
\hline \text { March } & 353 & \text { June } & 374 & \text { September } & 399 \
\text { April } & 387 & \text { July } & 396 & \text { October } & 412 \
\text { May } & 342 & \text { August } & 409 & \text { November } & 408
\end{array}$$ 
a.Assuming a linear trend function, forecast the number of repair jobs Auger's will perform in December using the least squares method.
b.What is your forecast for December using a three-period weighted moving average with weights of .6, .3, and .1? How does it compare with your forecast from part (a)?

The Number of Plumbing Repair Jobs Performed by Auger's Plumbing