The Following Table Presents the Numbers of Customers Who -

question 16

Short Answer

The following table presents the numbers of customers who - after 2 weeks of use - were satisfied or dissatisfied with their newly-purchased computers.
$\begin{array} { c c c c c } \hline & \text { Brand A } & \text { Brand B } & \text { Brand C } & \text { Brand D } \\\hline \text { Satisfied } & 35 & 31 & 47 & 33 \\\text { Dissatisfied } & 14 & 15 & 5 & 3 \\\hline\end{array}$
Can you conclude that the satisfaction rate is related to the brand of computer? Use the $\alpha = 0.01$ level of significance.

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Definitions:

Framing Effect

A cognitive bias where people decide on options based on whether they are presented in a positive or negative way.

Ground Beef

Minced or finely chopped beef used in various dishes, such as burgers, meatballs, and tacos.

Confirmation Bias

The tendency to search for, interpret, and remember information in a way that confirms one’s preconceptions, leading to statistical errors.

Public Opinion Poll

A method used to gauge public opinion by asking a random sample of people questions on various topics.