SCENARIO 15-2
a Political Pollster Randomly Selects a Sample of 100

question 109

Multiple Choice

SCENARIO 15-2
A political pollster randomly selects a sample of 100 voters each day for 8 successive days and asks how many will vote for the incumbent.The pollster wishes to construct a p chart to see if the percentage favoring the incumbent candidate is too erratic. $$\begin{array} { c c } \begin{array} { c } \text { Sample } \\\text { (Day) }\end{array} & \begin{array} { c } \text { Number Favoring } \\\text { IncumbentCandidate }\end{array} \\\hline 1 & 57 \\2 & 57 \\3 & 53 \\4 & 51 \\5 & 55 \\6 & 60 \\7 & 56 \\8 & 59\end{array}$$
-Referring to SCENARIO 15-2, which expression best characterizes the p chart?

• A)In-control
• B)Increasing trend
• C)Decreasing trend
• D)Individual outliers

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Definitions:

Peripheral Vision

The area of visual perception that occurs outside the central area of focus, allowing one to see objects that are not in the direct line of sight.

Receptors

Specialized cells or proteins in the body that detect and respond to specific substances, such as hormones, neurotransmitters, or environmental stimuli.

Rods

Photoreceptor cells in the retina of the eye responsible for vision at low light levels, but not color detection.

Myopia

A vision condition where close objects are seen clearly, but distant objects appear blurred.