Use the Data Given Below to Answer the Following Question(s)

question 18

Multiple Choice

Use the data given below to answer the following question(s) .
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. (Hint: Optimize α value in 0.1 increments) $$\begin{array} { | c | c | } \hline \text { Week } & \text { Units sold } \\\hline 1 & 88 \\\hline 2 & 44 \\\hline 3 & 54 \\\hline 4 & 65 \\\hline 5 & 72 \\\hline 6 & 85 \\\hline\end{array}$$
-Which of the following is the value of the root mean square error for the given data?

• A) 11.56
• B) 21.77
• C) 13.87
• D) 20.13

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Definitions:

Perceptual Adaptation

The ability of the body to adjust to an environment by filtering out distractions, allowing for greater focus on particular stimuli.

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and culture.

Bottom-Up Processing

A type of information processing that begins with sensory input and builds up to the formation of perception in the brain.

Perceptual Adaptation

The ability of the body to adjust to an environment by filtering out distractions.