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.The value of k is set at 3.(Hint: Optimize α value.)
$\begin{array}{|c|c|}\hline \text { Week } & \text { Units sold } \\\hline 1 & 88 \\\hline 2 & 44 \\\hline 3 & 54 \\\hline 4 & 65 \\\hline 5 & 72 \\\hline 6 & 85 \\\hline\end{array}$
-Which of the following is the value of the root mean square error for the given data?

• A)11.56
• B)21.72
• C)13.87
• D)20.13

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Definitions:

Proven Track Record

Demonstrated history of achieving successful outcomes or performance in previous endeavors.

Motivational Systems

The processes and mechanisms that govern an individual's motivation, influencing their behavior and actions.

Single Motivator

A specific factor or condition that strongly influences an individual's behavior or actions.

Motivational Practice

Techniques or strategies designed to stimulate interest or enthusiasm towards achieving a goal.