Use the Data Given Below to Answer the Following Questions)

question 19

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

• A) 20.90
• B) 23.45
• C) 14.39
• D) 25.56

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Definitions:

Cardiac Muscle Cell

A specialized type of muscle cell found in the heart, responsible for contracting and generating the force that pumps blood throughout the body.

Action Potential

A temporary reversal of the electrical potential along the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.

Cardiac Cycle

The complete sequence of events in the heart from the beginning of one heartbeat to the beginning of the next, including systole and diastole phases.

Diastole

The phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.