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:

Register

A small, fast storage location within a computer's CPU where specific types of instructions are stored and processed.

Storage Classes

Specifies the visibility and lifetime of variables and/or functions within a C or C++ program.

Constants

Fixed values in code that, once defined, cannot be altered by the program during its execution.

Local Variables

Variables declared within a function or block, accessible only in their scope.