Question
The table below shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors. Shadow stocks
The table below 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.
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 Incorporated
OTC
NANO
228.6
38.0
53.3
TeamStaff, 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 Sevcon, 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 Incorporated
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
a.How many variables are in the data set?
b.Which of the variables are categorical and which are quantitative?
c.For the Exchange variable, show the frequency and the percent frequency for AMEx. Construct a bar graph for the Exchange variable.
d.Show the frequency distribution for the gross Profit Margin using the five intervals: 0-14.9, 15-29.9, 30-44.9, 45-59.9, and 60-74.9. Construct a histogram.
The table below 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.
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 Incorporated
OTC
NANO
228.6
38.0
53.3
TeamStaff, 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 Sevcon, 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 Incorporated
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
a.How many variables are in the data set?
b.Which of the variables are categorical and which are quantitative?
c.For the Exchange variable, show the frequency and the percent frequency for AMEx. Construct a bar graph for the Exchange variable.
d.Show the frequency distribution for the gross Profit Margin using the five intervals: 0-14.9, 15-29.9, 30-44.9, 45-59.9, and 60-74.9. Construct a histogram.
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Differential Equations and Linear Algebra
Authors: Jerry Farlow, James E. Hall, Jean Marie McDill, Beverly H. West
2nd edition
131860615, 978-0131860612
