Use the Data Given Below to Answer the Following Questions)

question 15

Multiple Choice

Use the data given below to answer the following questions) .
The table provided below gives the sales details of the number of android smart phones at an electronic retail store for the past 6 weeks. The time series appears to be relatively stable, without trend, seasonal, or cyclical effects. The simple moving average value of k is set at 2. $$\begin{array} { | c | c | } \hline \text { Week } & \text { Units sold } \\\hline 1 & 88 \\\hline 2 & 44 \\\hline 3 & 54 \\\hline 4 & 65 \\\hline 5 & 72 \\\hline 6 & 85 \\\hline\end{array}$$
-Using the data, determine the value of the simple moving average root mean square error.

• A) 0.21
• B) 14.39
• C) 20.12
• D) 207.13

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Definitions:

Purely Competitive Industry

A market structure characterized by many sellers offering identical products, where no single seller can influence the market price.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good that consumers are willing to purchase at different prices.

Perfectly Elastic

Describes a scenario where the quantity demanded or supplied changes infinitely in response to any change in price.

Marginal Revenue

The additional revenue generated from selling one more unit of a good or service; crucial for determining the optimal level of output for profit maximization.