Sales of a New CD at a Store for the Last

question 69

Essay

Sales of a new CD at a store for the last 4 weeks are shown below. $\begin{array}{|l|c|c|c|c|}\hline \text { Week } & 1 & 2 & 3 & 4 \\\hline \text { Sales } & 112 & 105 & 125 & 118 \\\hline\end{array}$
a.Find a three-period moving average forecast for the next week.
b.Find a four-period moving average forecast for the next week.
c.Actual sales for week 5 were 105 units. What would be the three- and four-period moving average forecasts for week 6?

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Definitions:

Fixed-Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses, often used in behavioral psychology.

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, in the context of behavioral psychology.

Operant Responding

Operant responding involves a type of learning where behavior is modified by its consequences, through reinforcement or punishment, initially described by B.F. Skinner.

Unpredictable

not able to be predicted or foreseen, often because of constant changes or lacking a pattern.