The following table shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors. Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts. How many variables are in the data set? Which of the variables are categorical and which are quantitative? For the Exchange variable, show the frequency and the percent frequency for AMEX, NYSE, and OTC. Construct a bar graph similar to Figure 1.4 (in the textbook) for the Exchange variable.
- The following table shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors. Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts.
- How many variables are in the data set?
- Which of the variables are categorical and which are quantitative?
- For the Exchange variable, show the frequency and the percent frequency for AMEX, NYSE, and OTC. Construct a bar graph similar to Figure 1.4 (in the textbook) for the Exchange variable.
- Show the frequency distribution for the Gross Profit Margin using he five intervals: 0 – 14.9, 15 – 29.9, 30 – 44.9, 45 – 59.9, and 60 – 74.9. Construct a histogram similar to Figure 1.5 (in the textbook).
- What is the average price/earnings ratio?
DATA SET FOR 25 SHADOW STOCKS
|
Company |
Exchange |
Ticker Symbol |
Market Cap ($ millions) |
Price/ Earnings Ratio |
Gross Profit Margin (%) |
|
DeWolfe Companies |
AMEX |
DWL |
36.4 |
8.4 |
36.7 |
|
North Coast Energy |
OTC |
NCEB |
52.5 |
6.2 |
59.3 |
|
Hansen Natural Corp. |
OTC |
HANS |
41.1 |
14.6 |
44.8 |
|
MarineMax, Inc. |
NYSE |
HZO |
111.5 |
7.2 |
23.8 |
|
Nanometrics Inc. |
OTC |
NANO |
228.6 |
38.0 |
53.3 |
|
Team Staff, Inc. |
OTC |
TSTF |
92.1 |
33.5 |
4.1 |
|
Environmental Tectonics |
AMEX |
ETC |
51.1 |
35.8 |
35.9 |
|
Measurement Specialties |
AMEX |
MSS |
101.8 |
26.8 |
37.6 |
|
SEMCO Energy, Inc. |
NYSE |
SEN |
193.4 |
18.7 |
23.6 |
|
Party City Corporation |
OTC |
PCTY |
97.2 |
15.9 |
36.4 |
|
Embrex, Inc. |
OTC |
EMBX |
136.5 |
18.9 |
59.5 |
|
Tech/Ops Sercon, Inc. |
AMEX |
TO |
23.2 |
20.7 |
35.7 |
|
ARCADIS NV |
OTC |
ARCAF |
173.4 |
8.8 |
9.6 |
|
Qiao Xing Universal Tele. |
OTC |
|
64.3 |
22.1 |
30.8 |
|
Energy West Inc. |
OTC |
EWST |
29.1 |
9.7 |
16.3 |
|
Barnwell Industries, Inc. |
AMEX |
BRN |
27.3 |
7.4 |
73.4 |
|
Innodata Corporation |
OTC |
INOD |
66.1 |
11.0 |
29.6 |
|
Medical Action Industries |
OTC |
MDCI |
137.1 |
26.9 |
30.6 |
|
Instrumentarium Corp. |
OTC |
INMRY |
240.9 |
3.6 |
52.1 |
|
Petroleum Development |
OTC |
PETD |
95.9 |
6.1 |
19.4 |
|
Drexler Technology Corp. |
OTC |
DRXR |
233.6 |
45.6 |
53.6 |
|
Gerber Childrenswear, Inc. |
NYSE |
GCW |
126.9 |
7.9 |
25.8 |
|
Gaiam, Inc, |
OTC |
GAIA |
295.5 |
68.2 |
60.7 |
|
Artesian Resources Corp. |
OTC |
ARTNA |
62.8 |
20.5 |
45.5 |
|
York Water Company |
OTC |
YORW |
92.2 |
22.9 |
74.2 |
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