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

question 41

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.)
$\begin{array}{|c|c|}\hline \text { Week } & \text { Units sold } \\\hline 1 & 88 \\\hline 2 & 44 \\\hline 3 & 54 \\\hline 4 & 65 \\\hline 5 & 72 \\\hline 6 & 85 \\\hline\end{array}$
-Calculate the value of the mean absolute percentage error for the given data.

• A)20.90
• B)16.60
• C)21.72
• D)31.08

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Definitions:

Rad

An abbreviation for "radical," often used in chemistry to describe highly reactive molecules with unpaired electrons; colloquially, used to express that something is excellent or cool.

Contrast Medium

A substance used in medical imaging to improve the contrast of structures or fluids within the body, enhancing the visibility of blood vessels, gastrointestinal tract, and other areas during radiographic procedures.

Bronchogram

A radiographic image of the bronchi, usually obtained after the airways have been filled with a contrast medium, for diagnostic purposes.

Air Passageways

The routes throughout the respiratory system, including the nose, throat, windpipe, and lungs, through which air is inhaled and exhaled.