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:

Terrestrial

Pertaining to or representing the land as opposed to water or air.

Monocot

One of two classes of flowering plants; monocot seeds contain a single cotyledon, or seed leaf. Compare with eudicot.

Linnaeus

Carl Linnaeus, an 18th-century Swedish botanist, physician, and zoologist who is known as the father of modern taxonomy for creating a system for naming, ranking, and classifying organisms.

Binomial System of Nomenclature

A formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms.