Essentials of Business Analytics (MindTap Course List)
2nd Edition
ISBN: 9781305627734
Author: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 23P
Suppose that the national average for the math portion of the College Board’s SAT is 515. The College Board periodically rescales the test scores such that the standard deviation is approximately 100. Answer the following questions using a bell-shaped distribution and the
- a. What percentage of students have an SAT math score greater than 615?
- b. What percentage of students have an SAT math score greater than 715?
- c. What percentage of students have an SAT math score between 415 and 515?
- d. What is the z-score for student with an SAT math score of 620?
- e. What is the z-score for a student with an SAT math score of 405?
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The following table shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors (aaii.com, February 2002). Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts.
Click on the datafile logo to reference the data.
DATA file
Company
DeWolfe Companies
Exchange
Ticker
Symbol
Market
Cap
($ millions)
Price/
Gross
Profit
Earnings
Ratio
Margin
(%)
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
ΤΟ
23.2
20.7
35.7
ARCADIS NV
OTC
ARCAF
173.4…
The following table shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors (aaii.com, February 2002). Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts.
Click on the datafile logo to reference the data.
DATA file
Company
DeWolfe Companies
Exchange
AMEX
Ticker
Symbol
Market
Cap
Price/
Gross
Profit
Earnings Margin
($ millions)
Ratio
(%)
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
ΤΟ
23.2
20.7
35.7
ARCADIS NV
OTC
ARCAF
173.4…
Chapter 2 Solutions
Essentials of Business Analytics (MindTap Course List)
Ch. 2 - A Wall Street Journal subscriber survey asked 46...Ch. 2 - The following table contains a partial list of...Ch. 2 - Ohio Logistics manages the logistical activities...Ch. 2 - A partial relative frequency distribution is...Ch. 2 - In a recent report, the top five most-visited...Ch. 2 - In a study of how chief executive officers (CEOs)...Ch. 2 - Consumer complaints are frequently reported to the...Ch. 2 - Reports have found that many U.S. adults would...Ch. 2 - Consider the following data: a. Develop a...Ch. 2 - Consider the following frequency distribution....
Ch. 2 - The owner of an automobile repair shop studied the...Ch. 2 - Approximately 1.65 million high school students...Ch. 2 - Consider a sample with data values of 10, 20, 12,...Ch. 2 - Consider a sample with data values of 27, 25, 20,...Ch. 2 - Consider a sample with data values of 53, 55, 70,...Ch. 2 - If an asset declines in value from 5,000 to 3,500...Ch. 2 - Suppose that you initially invested 10,000 in the...Ch. 2 - The average time that Americans commute to work is...Ch. 2 - Suppose that the average waiting time for a...Ch. 2 - According to the National Education Association...Ch. 2 - Return to the waiting times given for the...Ch. 2 - The results of a national survey showed that on...Ch. 2 - Suppose that the national average for the math...Ch. 2 - Five observations taken for two variables follow....Ch. 2 - The scatter chart in the following figure was...Ch. 2 - The economic downturn in 20082009 resulted in the...Ch. 2 - Heavenly Chocolates manufactures and sells quality...
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