A Computer Store Owner Rents Printers to Some of His

question 56

Short Answer

A computer store owner rents printers to some of his customers. He is interested in arriving at a forecast of rentals so that he can order the correct quantities of supplies that go with the printer. The data for the last 10 weeks are shown here.
$$\begin{array} { | c | c | c | c | } \hline \text { Week } & \text { Rentals } & \text { Week } & \text { Rentals } \\\hline 1 & 23 & 6 & 28 \\\hline 2 & 24 & 7 & 32 \\\hline 3 & 32 & 8 & 35 \\\hline 4 & 26 & 9 & 26 \\\hline 5 & 31 & 10 & 24 \\\hline\end{array}$$
A) Prepare a forecast for weeks 6 to 10 using a 5-week moving average. What is the forecast for week 11?
B) Calculate the mean absolute deviation as of the end of week 10.

• A) Prepare a forecast for weeks 6 to 10 using a 5-week moving average. What is the forecast for week 11?
• B) Calculate the mean absolute deviation as of the end of week 10.

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Definitions:

Depression

A common and serious mood disorder that causes persistent feelings of sadness, hopelessness, and loss of interest, affecting daily functioning.

Cognitive Therapy

A type of psychotherapy that focuses on changing negative thought patterns to improve emotional well-being and behavior.

Contingency Management

A behavior change strategy often used in therapy to reinforce positive behaviors and reduce undesirable ones through rewards or consequences.

Counterconditioning

A therapy technique used to replace an unwanted behavior or response with a desired one by associating the behavior with a new, more positive stimulus.