, Chapter./.01./.–./.Data./.and./.Data./.Preparation
Chapter 1. Data and Data Preparation
./. ./. ./. ./. ./.
Solutions
./.
1.
a. The./.relevant./.population./.consists./.of./.all./.Americans.
b. The./.estimates./.for./.averages./.are./.based./.on./.sample./.data.
2. The./.value./.35./.is./.the./.estimated./.average./.age./.of./.the./.population../.It./.is./.both./.c
ostly./.and./.time./.consuming./.(likely./.impossible)./.to./.take./.a./.census./.of./.all./.vid
eo./.game./.players./.and./.compute./.the./.actual./.average./.age.
3.
a. The./.population./.is./.all./.students./.enrolled./.in./.the./.accounting./.class.
b. The./.value./.3.29./.represents./.the./.population./.parameter./.since./.we./.a
re./.not./.choosing./.a./.sample./.but./.drawing./.results./.from./.the./.actual./.
population.
4.
a. The./.population./.is./.all./.recent./.college./.graduates./.with./.an./.engineering./.degree.
b. No,./.the./.ave
rage./.salary./.is./.a./.sample./.statistic./.computed./.from./.a./.sampl
e,./.not./.the./.population.
5.
a. The./.population./.is./.all./.elderly./.people../.The./.sample./.consists./.of./.949./.
elderly./.people.
b. 22%./.and./.17%./.represent./.sample./.statistics.
6.
a. The./.relevant./.population./.consists./.of./.all./.US./.citizens./.born./.in./.2019,./.ex
cluding./.non-binary./.individuals.
b. The./.averages./.are./.computed./.from./.the./.relevant./.samples.
7. The./.resulting./.data./.about./.living./.accommodations./.and./.expenses./.have./.a./.
well-./.defined./.row-
column./.format,./.and./.therefore,./.are./.structured.. / . The./.data./.are./.cross-
./.sectional./.data.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
8. The./.data./.are./.cross-sectional./.data.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
1-1
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
,ACCESS./.Test./.Bank./.for./.Essentials./.of./.Business./.Statistics./.3rd./.Edi
tion./.Jaggia
Chapter./.01./.–./.Data./.and./.Data./.Preparation
9. The./.data./.are./.time./.series./.data.
Note:./.Data./.will./.vary./.depending./.on./.the./.date./.of./.retrieval../.These./.data./.were./.r
etrieved./.July./.2019.
Date Adj../.Close./.Price
7/1/2018 192.55
8/1/2018 195.72
9/1/2018 202.97
10/1/2018 172.33
11/1/2018 176.68
12/1/2018 169.36
1/1/2019 180.90
2/1/2019 182.49
3/1/2019 189.15
4/1/2019 202.28
5/1/2019 188.53
6/1/2019 206.52
10. The./.front./.page./.of./.the./.New./.York./.Times./.website./.is./.likely./.to./.be./.textual.
/.(written./.reports)./.with./.multimedia./.contents./.(photographs,./.etc.)../.The./.re
sulting./.data./.are./.unstructured./.in./.that./.they./.do./.not./.conform./.to./.a./.predefi
ned./.row-column./.format.
11. Data./.on./.price./.and./.fuel./.economy./.of./.small./.hybrid./.vehicles./.can./.be./.speci
fied./.in./.a./.predefined./.row-
column./.format,./.and./.therefore,./.are./.structured.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
12. The./.data./.for./.Under./.Armour’s./.annual./.revenue./.are./.structured./.since./.the
y./.are./.specified./.in./.a./.well-defined./.row-
column./.format.. / . The./.data./.are./.time./.series./.data../.Note:./.Data./.will./.vary./.de
pending./.on./.the./.date./.of./.retrieval.. / . These./.data./.were./.retrieved./.July./.20
19.
Annual./.Revenu
Year
e./.(in./.$./.million
s)
2018 $5,193
2017 $4,989
2016 $4,833
2015 $3,963
2014 $3,084
2013 $2,332
2012 $1,835
1-2
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
, 2011 $1,473
2010 $1,064
2009 $856
1-3
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
Chapter 1. Data and Data Preparation
./. ./. ./. ./. ./.
Solutions
./.
1.
a. The./.relevant./.population./.consists./.of./.all./.Americans.
b. The./.estimates./.for./.averages./.are./.based./.on./.sample./.data.
2. The./.value./.35./.is./.the./.estimated./.average./.age./.of./.the./.population../.It./.is./.both./.c
ostly./.and./.time./.consuming./.(likely./.impossible)./.to./.take./.a./.census./.of./.all./.vid
eo./.game./.players./.and./.compute./.the./.actual./.average./.age.
3.
a. The./.population./.is./.all./.students./.enrolled./.in./.the./.accounting./.class.
b. The./.value./.3.29./.represents./.the./.population./.parameter./.since./.we./.a
re./.not./.choosing./.a./.sample./.but./.drawing./.results./.from./.the./.actual./.
population.
4.
a. The./.population./.is./.all./.recent./.college./.graduates./.with./.an./.engineering./.degree.
b. No,./.the./.ave
rage./.salary./.is./.a./.sample./.statistic./.computed./.from./.a./.sampl
e,./.not./.the./.population.
5.
a. The./.population./.is./.all./.elderly./.people../.The./.sample./.consists./.of./.949./.
elderly./.people.
b. 22%./.and./.17%./.represent./.sample./.statistics.
6.
a. The./.relevant./.population./.consists./.of./.all./.US./.citizens./.born./.in./.2019,./.ex
cluding./.non-binary./.individuals.
b. The./.averages./.are./.computed./.from./.the./.relevant./.samples.
7. The./.resulting./.data./.about./.living./.accommodations./.and./.expenses./.have./.a./.
well-./.defined./.row-
column./.format,./.and./.therefore,./.are./.structured.. / . The./.data./.are./.cross-
./.sectional./.data.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
8. The./.data./.are./.cross-sectional./.data.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
1-1
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
,ACCESS./.Test./.Bank./.for./.Essentials./.of./.Business./.Statistics./.3rd./.Edi
tion./.Jaggia
Chapter./.01./.–./.Data./.and./.Data./.Preparation
9. The./.data./.are./.time./.series./.data.
Note:./.Data./.will./.vary./.depending./.on./.the./.date./.of./.retrieval../.These./.data./.were./.r
etrieved./.July./.2019.
Date Adj../.Close./.Price
7/1/2018 192.55
8/1/2018 195.72
9/1/2018 202.97
10/1/2018 172.33
11/1/2018 176.68
12/1/2018 169.36
1/1/2019 180.90
2/1/2019 182.49
3/1/2019 189.15
4/1/2019 202.28
5/1/2019 188.53
6/1/2019 206.52
10. The./.front./.page./.of./.the./.New./.York./.Times./.website./.is./.likely./.to./.be./.textual.
/.(written./.reports)./.with./.multimedia./.contents./.(photographs,./.etc.)../.The./.re
sulting./.data./.are./.unstructured./.in./.that./.they./.do./.not./.conform./.to./.a./.predefi
ned./.row-column./.format.
11. Data./.on./.price./.and./.fuel./.economy./.of./.small./.hybrid./.vehicles./.can./.be./.speci
fied./.in./.a./.predefined./.row-
column./.format,./.and./.therefore,./.are./.structured.
Note:./.Data./.will./.vary./.due./.to./.the./.nature./.of./.sampling.
12. The./.data./.for./.Under./.Armour’s./.annual./.revenue./.are./.structured./.since./.the
y./.are./.specified./.in./.a./.well-defined./.row-
column./.format.. / . The./.data./.are./.time./.series./.data../.Note:./.Data./.will./.vary./.de
pending./.on./.the./.date./.of./.retrieval.. / . These./.data./.were./.retrieved./.July./.20
19.
Annual./.Revenu
Year
e./.(in./.$./.million
s)
2018 $5,193
2017 $4,989
2016 $4,833
2015 $3,963
2014 $3,084
2013 $2,332
2012 $1,835
1-2
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
, 2011 $1,473
2010 $1,064
2009 $856
1-3
©./.McGraw./.Hill./.LLC../.All./.rights./.reserved../.No./.reproduction./.or./.distribution./.without./.the./.prior./.written./.consent./.of./.M
cGraw./.Hill./.LLC.
mynursytest.store
