TABLE 18-2
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.
$\begin{array}{cc}
\hline\text { Sample }&\text { Number Favoring}\
\text { (Day)}& \text { Incumbent Candidate }\
\hline1 & 57 \
2 & 57 \
3 & 53 \
4 & 51 \
5 & 55 \
6 & 60 \
7 & 56 \
8 & 59\
\hline
\end{array}$

-Referring to Table 18-2, which expression best characterizes the p chart?
A) individual outliers
B) cycles
C) hugging the center line
D) hugging the control line

Question

TABLE 18-2 
 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.
 $\begin{array}{cc}
\hline\text { Sample }&\text { Number Favoring}\
\text {  (Day)}& \text { Incumbent Candidate }\ 
\hline1 & 57 \
2 & 57 \
3 & 53 \
4 & 51 \
5 & 55 \
6 & 60 \
7 & 56 \
8 & 59\
\hline
\end{array}$

-Referring to Table 18-2, which expression best characterizes the p chart?
A) individual outliers
B) cycles
C) hugging the center line
D) hugging the control line

Quizplus · Accepted Answer

The data points are close to the average percentage, indicating they are hugging the center line rather than showing significant variation or outliers.

TABLE 18-2 a Political Pollster Randomly Selects a Sample

TABLE 18-2
a Political Pollster Randomly Selects a Sample