Sub Sandwich Customers
the Marketing Manager of a Sub Shop

question 106

Essay

Sub Sandwich Customers
The marketing manager of a Sub Shop chain is in the process of examining some of the demographic characteristics of her customers.In particular,she would like to investigate the belief that the ages of the customers of Sub Shops,hamburger emporiums,and fast-food chicken restaurants are different.The ages of eight randomly selected customers of each of the restaurants are recorded and listed below.From previous analyses we know that the ages are normally distributed with equal variances for each group.
$$\begin{array}{l}\text { Customers' Agas }\\\begin{array} { | c c c | } \hline \text { Subs } & \text { Hamburaer } & \text { Chicken } \\\hline 23 & 26 & 25 \\19 & 20 & 28 \\25 & 18 & 36 \\17 & 35 & 23 \\36 & 33 & 39 \\25 & 25 & 27 \\28 & 19 & 38 \\31 & 17 & 31 \\\hline\end{array}\end{array}$$
-{Sub Sandwich Customers Narrative} Set up the ANOVA Table.Use $\alpha$ = 0.05 to determine the critical value.

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Definitions:

Blood Glucose

The concentration of glucose present in the blood, an essential measure for diagnosing and managing diabetes and other metabolic conditions.

Parahippocampal Gyrus

A region of the brain in the medial temporal lobe that plays a crucial role in memory encoding and retrieval.

"On And Off Switches"

Metaphorical term for mechanisms or features that activate (on) or deactivate (off) certain functions in various systems, including electronics, genes, and cells.

Brain Structure

The physical organization and composition of the brain, including various parts like the cerebrum, cerebellum, brainstem, and their substructures, which govern specific functions and processes.