,DOWNLOAD47THE47Test47Bank47for47Essentials47of47Statistics477th47Edition47Triola
MULTIPLE47 CHOICE.4 7 Choose47 the47 one47 alternative47 that47 best47 completes47 the47 statement47 or47 answers47 the47 question.
1) Determine47whether47the47given47description47corresponds47to47an47experiment47or47an47observational47study.47A47
stock47analyst47selects47a47stock47from47a47group47of47twenty47for47investment47by47choosing47the47stock47with47the
47greatest47earnings47per47share47reported47for47the47last47quarter.
A) Experiment B)4 7 Observational47 study
Answer:4 7 B
2) Identify47which47type47of47sampling47is47used.47The47name47of47each47contestant47is47written47on47a47separate47c
ard,47the47cards47are47placed47in47a47bag,47and47three47names47are47picked47from47the47bag.
A) Cluster
B) Simple47 Random
C) Convenience
D) Systematic
E) Stratified
47Answer:4 7 B
3) Identify47which47type47of47sampling47is47used.47To47avoid47working47late,47a47quality47control47analyst47simply47i
nspects47the47first4710047items47produced47in47a47day.
A) Cluster
B) Systematic
C) Simple47 Random
D) Stratified
E) Convenience
47Answer:4 7 E
4) An47education47expert47is47researching47teaching47methods47and47wishes47to47interview47teachers47from47a47particu
lar47school47district.47She47randomly47selects47ten47schools47from47the47district47and47interviews47all47of47the47teach
ers47at47the47selected47schools.47Does47this47sampling47plan47result47in47a47random47sample?47Simple47random47sa
mple?47Explain.
A) No;47no.47The47sample47is47not47random47because47teachers47in47small47schools47are47more47likely47to47be47sel
ected47than4 7 teachers47in47larger47schools.47It47is47not47a47simple47random47sample47because47some47samples
47are47not47possible,47such47as47a47sample47that47includes47teachers47from47schools47that47were47not47selected.
B) Yes;47yes.47The47sample47is47random47because47all47teachers47have47the47same47chance47of47being47selecte
d.47It47is47a47simple47random47sample47because47all47samples47have47the47same47chance47of47being47select
ed.
C) No;47yes.47The47sample47is47not47random47because47teachers47in47small47schools47are47more47likely47to47be47
selected47than47teachers47in47larger47schools.47It47is47a47simple47random47sample47because47all47samples47ha
ve47the47same47chance47of47being47selected.
D) Yes;47no.47The47sample47is47random47because47all47teachers47have47the47same47chance47of47being47selected.47It
47is47not47a47simple47random47sample47because47some47samples47are47not47possible,47such47as47a47sample47tha
t47includes47teachers47from47schools47that47were47not47selected.
Answer:4 7 D
5) Identify47the47type47of47observational47study47used.47A47town47obtains47current47employment47data47by47pollin
g4710,00047of47its47citizens47this47month.
A) Prospective B)47Cross-sectional C)47Retrospective
D)47None47of47these47Answer:4 7 B
1
mynursytest.store
,DOWNLOAD47THE47Test47Bank47for47Essentials47of47Statistics477th47Edition47Triola
6) Determine47whether47the47given47value47is47a47discrete47or47continuous47variable.47People47are47asked47to47state47h
ow47many47times4 7 in47the47last47month47they47visited47their47family47doctor.
A) Discrete B)47 Continuous
Answer:4 7 A
7) Determine47 which47of47 the47 four47 levels47 of47 measurement47is47 most47appropriate.47 Students'47 grades,47 A,47 B,47 or47 C,47
n47 a47 test.
A) Interval B)47Ratio C)47Ordinal
D)47Nominal47Answer:4 7 C
8) A47tax47auditor47selects47every471000th47income47tax47return47that47is47received.47Identify47which47of47these47type
s47of47sampling47is47used.
A) Systematic
B) Simple47 Random
C) Convenience
D) Stratified
E) Cluster
47Answer:4 7
A
9) Determine47whether47the47given47value47is47a47statistic47or47a47parameter.47Thirty47percent47of47all47dog47owners47
poop47scoop47after47their47dog.
A) Statistic B)47 Parameter
Answer:4 7 B
10) Determine47whether47the47given47value47is47from47a47discrete47or47continuous47data47set.47The47time47it47take
s47a47computer47to47complete47a47task.
A) Discrete B)47 Continuous
Answer:4 7 B
11) On47a47test,4774%47of47the47questions47are47answered47correctly.47If4711147questions47are47correct,47how47many47que
stions47are47on47the47test?
A) 3747questions B)476747questions C)478247questions
D)4715047questions47Answer:4 7 D
12) Researchers47collect47data47by47interviewing47athletes47who47have47won47Olympic47gold47medals47from47199247to4
72016.47Identify47the47type47of47study.
A) Cross-sectional B)47Retrospective C)47Prospective
D)47None47of47these47Answer:4 7 B
2
mynursytest.store
, DOWNLOAD47THE47Test47Bank47for47Essentials47of47Statistics477th47Edition47Triola
13) A47psychology47student47wishes47to47investigate47differences47in47political47opinions47between47business47majors47
and47political47science4 7 majors4 7 at4 7 her4 7 college.4 7 She4 7 randomly4 7 selects4 7 1004 7 students4 7 from4 7 the4 7 2604 7 bus
iness4 7 majors4 7 and4 7 1004 7 students47from47the4718047political47science47majors.47Does47this47sampling47plan47result
47in47a47random47sample?47Simple47random47sample?47Explain.
A) Yes;47no.47The47sample47is47random47because47all47students47have47the47same47chance47of47being47selected.47I
t47is47not47a47simple47random4 7 sample4 7 because4 7 some4 7 samples4 7 are4 7 not4 7 possible,4 7 such4 7 as4 7 a4 7 samp
le4 7 consisting4 7 of4 7 504 7 business4 7 majors47and4715047political47science47majors.
B) No;47yes.47The47sample47is47not47random47because47political47science47majors47have47a47greater47chance47of4
7being47selected47than47business47majors.47It47is47a47simple47random47sample47because47all47samples47of47siz
e4720047have47the47same47chance47of47being47selected.
C) No;47no.47The47sample47is47not47random47because47political47science47majors47have47a47greater47chance47of
47being47selected47than47business47majors.47It47is47not47a47simple47random47sample47because47some47sampl
es47are47not47possible,47such47as47a47sample47consisting47of475047business47majors47and4715047political47scie
nce47majors.
D) Yes;47yes.47The47sample47is47random47because47all47students47have47the47same47chance47of47being47selecte
d.47It47is47a47simple47random47sample47because47all47samples47of47size4720047have47the47same47chance47of4
7being47selected.
Answer:4 7 C
14) Correlation47 does47not47imply47 .
A) linearity B)47causation C)47bias
D)47significance47Answer:4 7 B
15) There47are47many47potential47pitfalls47that47can47cause47problems47when47analyzing47data.47Which47of47these47
choices47are47not47classified47as47a47potential47pitfall?
A) Nonresponse B)4 7 Self-reported47 data
C)47Order47of47survey47questions
D)47Measured47da
ta47Answer:4 7 D
16) A47management47survey47for47a47company47surveyed4723547employees.4744.7%47of47the47employees47surveyed47
were47females.47The47number47of47males47would47be47 .
A) 13 B)47 105
C)47 130 D)47 Unable47to47 determine
Answer:4 7 C
17) What47type47 of47 data47 values47 are47 quantitative47 and47the47 number47 of47 values47 is47finite47 or47 countable?
A) Discrete B)47Categorical C)47Interval
D)47Continuous47Answer:4 7 A
18) A47 is47the47 collection47 of47 data47 from47 every47member47 of47 the47 population.
A) placebo B)47statistic C)47sample
D)47census47Answer:4 7 D
19) A47 is47the47complete47collection47of47all47measurements47or47data47collected,47whereas,47a47
is47a47subcollection47of47members47selected47from47the47complete47collection.
A) sample;4 7 population B)4 7 population;47 parameter
C)4 7 sample;47 census D)4 7 population;47 sample
Answer:4 7 D
3
mynursytest.store
MULTIPLE47 CHOICE.4 7 Choose47 the47 one47 alternative47 that47 best47 completes47 the47 statement47 or47 answers47 the47 question.
1) Determine47whether47the47given47description47corresponds47to47an47experiment47or47an47observational47study.47A47
stock47analyst47selects47a47stock47from47a47group47of47twenty47for47investment47by47choosing47the47stock47with47the
47greatest47earnings47per47share47reported47for47the47last47quarter.
A) Experiment B)4 7 Observational47 study
Answer:4 7 B
2) Identify47which47type47of47sampling47is47used.47The47name47of47each47contestant47is47written47on47a47separate47c
ard,47the47cards47are47placed47in47a47bag,47and47three47names47are47picked47from47the47bag.
A) Cluster
B) Simple47 Random
C) Convenience
D) Systematic
E) Stratified
47Answer:4 7 B
3) Identify47which47type47of47sampling47is47used.47To47avoid47working47late,47a47quality47control47analyst47simply47i
nspects47the47first4710047items47produced47in47a47day.
A) Cluster
B) Systematic
C) Simple47 Random
D) Stratified
E) Convenience
47Answer:4 7 E
4) An47education47expert47is47researching47teaching47methods47and47wishes47to47interview47teachers47from47a47particu
lar47school47district.47She47randomly47selects47ten47schools47from47the47district47and47interviews47all47of47the47teach
ers47at47the47selected47schools.47Does47this47sampling47plan47result47in47a47random47sample?47Simple47random47sa
mple?47Explain.
A) No;47no.47The47sample47is47not47random47because47teachers47in47small47schools47are47more47likely47to47be47sel
ected47than4 7 teachers47in47larger47schools.47It47is47not47a47simple47random47sample47because47some47samples
47are47not47possible,47such47as47a47sample47that47includes47teachers47from47schools47that47were47not47selected.
B) Yes;47yes.47The47sample47is47random47because47all47teachers47have47the47same47chance47of47being47selecte
d.47It47is47a47simple47random47sample47because47all47samples47have47the47same47chance47of47being47select
ed.
C) No;47yes.47The47sample47is47not47random47because47teachers47in47small47schools47are47more47likely47to47be47
selected47than47teachers47in47larger47schools.47It47is47a47simple47random47sample47because47all47samples47ha
ve47the47same47chance47of47being47selected.
D) Yes;47no.47The47sample47is47random47because47all47teachers47have47the47same47chance47of47being47selected.47It
47is47not47a47simple47random47sample47because47some47samples47are47not47possible,47such47as47a47sample47tha
t47includes47teachers47from47schools47that47were47not47selected.
Answer:4 7 D
5) Identify47the47type47of47observational47study47used.47A47town47obtains47current47employment47data47by47pollin
g4710,00047of47its47citizens47this47month.
A) Prospective B)47Cross-sectional C)47Retrospective
D)47None47of47these47Answer:4 7 B
1
mynursytest.store
,DOWNLOAD47THE47Test47Bank47for47Essentials47of47Statistics477th47Edition47Triola
6) Determine47whether47the47given47value47is47a47discrete47or47continuous47variable.47People47are47asked47to47state47h
ow47many47times4 7 in47the47last47month47they47visited47their47family47doctor.
A) Discrete B)47 Continuous
Answer:4 7 A
7) Determine47 which47of47 the47 four47 levels47 of47 measurement47is47 most47appropriate.47 Students'47 grades,47 A,47 B,47 or47 C,47
n47 a47 test.
A) Interval B)47Ratio C)47Ordinal
D)47Nominal47Answer:4 7 C
8) A47tax47auditor47selects47every471000th47income47tax47return47that47is47received.47Identify47which47of47these47type
s47of47sampling47is47used.
A) Systematic
B) Simple47 Random
C) Convenience
D) Stratified
E) Cluster
47Answer:4 7
A
9) Determine47whether47the47given47value47is47a47statistic47or47a47parameter.47Thirty47percent47of47all47dog47owners47
poop47scoop47after47their47dog.
A) Statistic B)47 Parameter
Answer:4 7 B
10) Determine47whether47the47given47value47is47from47a47discrete47or47continuous47data47set.47The47time47it47take
s47a47computer47to47complete47a47task.
A) Discrete B)47 Continuous
Answer:4 7 B
11) On47a47test,4774%47of47the47questions47are47answered47correctly.47If4711147questions47are47correct,47how47many47que
stions47are47on47the47test?
A) 3747questions B)476747questions C)478247questions
D)4715047questions47Answer:4 7 D
12) Researchers47collect47data47by47interviewing47athletes47who47have47won47Olympic47gold47medals47from47199247to4
72016.47Identify47the47type47of47study.
A) Cross-sectional B)47Retrospective C)47Prospective
D)47None47of47these47Answer:4 7 B
2
mynursytest.store
, DOWNLOAD47THE47Test47Bank47for47Essentials47of47Statistics477th47Edition47Triola
13) A47psychology47student47wishes47to47investigate47differences47in47political47opinions47between47business47majors47
and47political47science4 7 majors4 7 at4 7 her4 7 college.4 7 She4 7 randomly4 7 selects4 7 1004 7 students4 7 from4 7 the4 7 2604 7 bus
iness4 7 majors4 7 and4 7 1004 7 students47from47the4718047political47science47majors.47Does47this47sampling47plan47result
47in47a47random47sample?47Simple47random47sample?47Explain.
A) Yes;47no.47The47sample47is47random47because47all47students47have47the47same47chance47of47being47selected.47I
t47is47not47a47simple47random4 7 sample4 7 because4 7 some4 7 samples4 7 are4 7 not4 7 possible,4 7 such4 7 as4 7 a4 7 samp
le4 7 consisting4 7 of4 7 504 7 business4 7 majors47and4715047political47science47majors.
B) No;47yes.47The47sample47is47not47random47because47political47science47majors47have47a47greater47chance47of4
7being47selected47than47business47majors.47It47is47a47simple47random47sample47because47all47samples47of47siz
e4720047have47the47same47chance47of47being47selected.
C) No;47no.47The47sample47is47not47random47because47political47science47majors47have47a47greater47chance47of
47being47selected47than47business47majors.47It47is47not47a47simple47random47sample47because47some47sampl
es47are47not47possible,47such47as47a47sample47consisting47of475047business47majors47and4715047political47scie
nce47majors.
D) Yes;47yes.47The47sample47is47random47because47all47students47have47the47same47chance47of47being47selecte
d.47It47is47a47simple47random47sample47because47all47samples47of47size4720047have47the47same47chance47of4
7being47selected.
Answer:4 7 C
14) Correlation47 does47not47imply47 .
A) linearity B)47causation C)47bias
D)47significance47Answer:4 7 B
15) There47are47many47potential47pitfalls47that47can47cause47problems47when47analyzing47data.47Which47of47these47
choices47are47not47classified47as47a47potential47pitfall?
A) Nonresponse B)4 7 Self-reported47 data
C)47Order47of47survey47questions
D)47Measured47da
ta47Answer:4 7 D
16) A47management47survey47for47a47company47surveyed4723547employees.4744.7%47of47the47employees47surveyed47
were47females.47The47number47of47males47would47be47 .
A) 13 B)47 105
C)47 130 D)47 Unable47to47 determine
Answer:4 7 C
17) What47type47 of47 data47 values47 are47 quantitative47 and47the47 number47 of47 values47 is47finite47 or47 countable?
A) Discrete B)47Categorical C)47Interval
D)47Continuous47Answer:4 7 A
18) A47 is47the47 collection47 of47 data47 from47 every47member47 of47 the47 population.
A) placebo B)47statistic C)47sample
D)47census47Answer:4 7 D
19) A47 is47the47complete47collection47of47all47measurements47or47data47collected,47whereas,47a47
is47a47subcollection47of47members47selected47from47the47complete47collection.
A) sample;4 7 population B)4 7 population;47 parameter
C)4 7 sample;47 census D)4 7 population;47 sample
Answer:4 7 D
3
mynursytest.store
