Analyze data of quantitative variables.
-The following table shows closing share prices for a small sample of companies. The
Mean closing share price is $$\begin{array} { | l | c | }
\hline \text { COMPANY } & \text { CLOSING SHARE PRICE - 08/07 } \
\hline \text { 3M Dental Products } & 86.95 \
\hline \text { Tyco Electronics Power Systems } & 47.45 \
\hline \text { Kyocera America Inc. } & 94.10 \
\hline \text { Pfizer Inc. } & 22.39 \
\hline \text { Xerox Company } & 17.56 \
\hline \text { Northrop Grumman Corporation } & 75.81 \
\hline \text { Lockheed Martin Maritime Systems } & 100.17 \
\hline \text { Sony DADC } & 51.91 \
\hline \text { Matsushita Electronic Components } & 17.91 \
\hline \text { Foster Wheeler Environmental Corp. } & 55.67 \
\hline
\end{array}$$
A) $31.23.
B) $44.65.
C) $56.99.
D) $62.19.
E) $75.77.

Question

Analyze data of quantitative variables.
-The following table shows closing share prices for a small sample of companies. The
Mean closing share price is $$\begin{array} { | l | c | } 
\hline \text { COMPANY } & \text { CLOSING SHARE PRICE - 08/07 } \
\hline \text { 3M Dental Products } & 86.95 \
\hline \text { Tyco Electronics Power Systems } & 47.45 \
\hline \text { Kyocera America Inc. } & 94.10 \
\hline \text { Pfizer Inc. } & 22.39 \
\hline \text { Xerox Company } & 17.56 \
\hline \text { Northrop Grumman Corporation } & 75.81 \
\hline \text { Lockheed Martin Maritime Systems } & 100.17 \
\hline \text { Sony DADC } & 51.91 \
\hline \text { Matsushita Electronic Components } & 17.91 \
\hline \text { Foster Wheeler Environmental Corp. } & 55.67 \
\hline
\end{array}$$
A) $31.23.
B) $44.65.
C) $56.99.
D) $62.19.
E) $75.77.

Quizplus · Accepted Answer

The mean is calculated by summing all the closing share prices and dividing by the number of companies. The sum is 570.92, and there are 10 companies, so the mean is 570.92 / 10 = 57.092, which rounds to $56.99.

Analyze Data of Quantitative Variables A) $3123 B) $44

Analyze Data of Quantitative Variables A) $3123
B) $44