TV Model
Three Hundred Individuals Were Asked to View the Picture

question 115

Essay

TV Model
Three hundred individuals were asked to view the picture quality of four different TVs and asked to choose the one they preferred.The data is shown in the following table:
$$\begin{array} { | c | c | } \hline \text { TV Madel } & \text { Number Wha preferred } \\\hline \text { A } & \mathbf { 8 2 } \\\hline \mathrm { B } & \mathbf { 5 2 } \\\hline \mathrm { C } & 73 \\\hline \text { D } & \mathbf { 8 0 } \\\hline \text { Tatal } & \text { 300 } \\\hline\end{array}$$
-Test the equality of proportions at the 0.05 level.
What are the null and alternative hypotheses?

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Definitions:

Passive-Aggressive Behavior

A pattern of indirectly expressing negative feelings instead of openly addressing them.

Hardiness

Personal qualities, including a sense of control, orientation toward personal growth, and commitment to life choices, that influence adults’ ability to adapt to changes and life circumstances.

Frequent Infections

The repeated occurrence of illnesses caused by viruses, bacteria, or other microorganisms, indicating potential issues with an individual's immune system.

Diabetes

A metabolic disease characterized by high blood sugar levels over a prolonged period, often due to either insulin deficiency or insulin resistance.