Exhibit 11-7
The results of a recent poll on the preference of shoppers regarding two products are shown below.
$$\begin{array}{l}
&&\text { Shoppers Favoring }\
\text { Product } & \text { Shoppers Surveyed } & \text { This Product } \
\text { A } & 800 & 560 \
\text { B } & 900 & 612
\end{array}$$
-Refer to Exhibit 11-7. The point estimate for the difference between the two population proportions in favor of this product is
A) 52
B) 100
C) 0.44
D) 0.02

Question

Exhibit 11-7
The results of a recent poll on the preference of shoppers regarding two products are shown below.
 $$\begin{array}{l}
&&\text { Shoppers Favoring }\
\text { Product } & \text { Shoppers Surveyed } & \text { This Product } \
\text { A } & 800 & 560 \
\text { B } & 900 & 612
\end{array}$$
-Refer to Exhibit 11-7. The point estimate for the difference between the two population proportions in favor of this product is
A) 52
B) 100
C) 0.44
D) 0.02

Quizplus · Accepted Answer

The point estimate for the difference between the two population proportions is calculated as (560/800) - (612/900) = 0.02.

Exhibit 11-7 the Results of a Recent Poll on the Preference

Exhibit 11-7
the Results of a Recent Poll on the Preference