Quarterly Enrolments in a Business Statistics Class for Three Years

question 139

Essay

Quarterly enrolments in a business statistics class for three years are shown below. $$\begin{array} { | c | c c | } \hline \text { Year } & \text { Quarter } & \text { Enrolment } \\\hline 1996 & 1 & 26 \\& 2 & 29 \\& 3 & 33 \\& 4 & 18 \\1997 & 1 & 27 \\& 2 & 25 \\& 3 & 36 \\& 4 & 21 \\1998 & 1 & 32 \\& 2 & 36 \\& 3 & 39 \\& 4 & 30 \\\hline\end{array}$$ Compute the four-quarter centred moving averages.

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Definitions:

Gastric Lipase

An enzyme secreted by the stomach that plays a critical role in the digestion of dietary fats.

Stomach

A hollow organ in the gastrointestinal tract that secretes gastric juices aiding in the digestion and breaking down of food.

Coronary Ligament

Peritoneal reflection from the liver to the diaphragm at the margins of the bare area of the liver.

Liver

A vital organ located in the upper right portion of the abdomen involved in numerous functions including detoxification, protein synthesis, and digestion.