The following table shows representative recent closing share prices in late 2013 for a small sample of companies based in India. $$\begin{array}{l}
\begin{array} { | l | c | }
\hline \text { COMPANY } & \text { CLOSING SHARE PRICE } \
\hline \text { 20 Microns } & 30.95 \
\hline \text { ABC Paper } & 24.30 \
\hline \text { Bank of MA } & 36.20 \
\hline \text { Photoquip } & 37.00 \
\hline \text { Saksoft } & 67.20 \
\hline \text { Marg LTD } & 13.99 \
\hline \text { Galaxy ENT } & 10.40 \
\hline \text { Sonatasoft } & 68.75 \
\hline \text { EDynamics } & 49.95 \
\hline \text { DB Corp. } & 287.95 \
\hline
\end{array}\
\text { The } z \text { score for the share price for } \mathrm { ABC } \text { Paper is }
\end{array}$$
A) 2.76.
B) 0.47.
C) -2.76.
D) -1.49.
E) -0.47.

Question

The following table shows representative recent closing share prices in late 2013 for a small sample of companies based in India. $$\begin{array}{l}
\begin{array} { | l | c | } 
\hline \text { COMPANY } & \text { CLOSING SHARE PRICE } \
\hline \text { 20 Microns } & 30.95 \
\hline \text { ABC Paper } & 24.30 \
\hline \text { Bank of MA } & 36.20 \
\hline \text { Photoquip } & 37.00 \
\hline \text { Saksoft } & 67.20 \
\hline \text { Marg LTD } & 13.99 \
\hline \text { Galaxy ENT } & 10.40 \
\hline \text { Sonatasoft } & 68.75 \
\hline \text { EDynamics } & 49.95 \
\hline \text { DB Corp. } & 287.95 \
\hline
\end{array}\
\text { The } z \text { score for the share price for } \mathrm { ABC } \text { Paper is }
\end{array}$$
A) 2.76.
B) 0.47.
C) -2.76.
D) -1.49.
E) -0.47.

Quizplus · Accepted Answer

The z-score is calculated using the formula $z = \frac{(X - \mu)}{\sigma}$, where $X$ is the value of interest, $\mu$ is the mean of the dataset, and $\sigma$ is the standard deviation of the dataset. The z-score for ABC Paper is -0.47, indicating that its share price is 0.47 standard deviations below the mean of the dataset.

The Following Table Shows Representative Recent Closing Share Prices in Late