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

question 34

Essay

The number of plumbing repair jobs performed by Auger's Plumbing Service in each of the last nine months are listed below.

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)?

---

Definitions:

Ongoing Improvements

Continuous efforts to enhance a product, process, or system over time through incremental changes or innovations.

Maintainability

The ease with which a product or system can be maintained to correct defects or their causes, improve performance, or adapt to a changed environment.

Support

Assistance or encouragement provided to someone or something.

Usability Problems

Issues that users encounter that hinder their ability to efficiently and effectively interact with a product or system.