The Table Below Shows the Number of Pizzas Sold Daily

question 52

Essay

The table below shows the number of pizzas sold daily during a four-week period at King Pizza in Melbourne. $$\begin{array}{l}\text { Week }\\\begin{array} { | l | c r r c | } \hline \text { Day } & 1 & 2 & 3 & 4 \\\hline \text { Sunday } & 253 & 234 & 248 & 232 \\\text { Monday } & 98 & 93 & 99 & 104 \\\text { Tuesday } & 106 & 88 & 87 & 115 \\\text { Wednesday } & 119 & 134 & 113 & 102 \\\text { Thursday } & 138 & 123 & 130 & 118 \\\text { Friday } & 201 & 215 & 218 & 205 \\\text { Saturday } & 327 & 399 & 415 & 390 \\\hline\end{array}\end{array}$$ a. Calculate the seasonal (daily) indexes, using a seven-day moving average.
b. Use regression analysis to find the linear trend line.
c. Calculate the seasonal (daily) indexes, using the trend line developed in (b).

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Definitions:

Wilhelm Wundt

A German physician, physiologist, and philosopher, widely regarded as the father of experimental psychology.

Psychologists

Professionals who study mental processes and behavior through research and observation, often applying knowledge to assess and treat mental health issues.

Functionalism

A perspective in sociology and anthropology that interprets society as a structure with interrelated parts designed to meet the biological and social needs of individuals that make up that society.

Behavior

The actions or reactions of an organism, often in response to the environment, which can be observed and measured.