,Ch.c1 IntroductionctocStatistics
1.1 AncOverviewcofcStatistics
1 Distinguishc Betweenc ac Populationc andc ac Sample
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Identifyc thec populationc andc thec sample.
1) Ac surveyc ofc 1378c Americanc householdsc foundc thatc 27%c ofc thec householdsc ownc ac computer.
2) Whenc 1094c Americanc householdsc werec surveyed,c itc wasc foundc thatc 67%c ofc themc ownedc twoc cars.
3) Ac surveyc ofc 2625c elementaryc schoolc childrenc foundc thatc 28%c ofc thec childrenc couldc bec classifiedc asc obese.
2 Distinguishc Betweenc ac Parameterc andc ac Statistic
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Determinec whetherc thec numericalc valuec isc ac parameterc orc ac statistic.c Explainc yourc reasoning.
4) Acrecentcsurveycbycthecalumnicofcacmajorcuniversitycindicatedcthatcthecaveragecsalarycofc 10,500cofcitsc175,000cgr
aduatescwasc$95,000.
5) Thec averagec salaryc ofc allc assemblyc-linec employeesc atc ac certainc carc manufacturerc isc $41,000..
6) Ac surveyc ofc 1162cstudentsc wasc takenc fromc ac universityc withc 10,000c students.
3 Distinguishc Betweenc Descriptivec Statisticsc andc Inferentialc Statistics
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Identifyc whetherc thec statementc describesc inferentialc statisticsc orc descriptivec statistics.
7) Thec averagecagec ofc thecstudentsc incac statisticsc classc isc 19c years.
A) descriptivec statistics B)c inferentialc statistics
8) Thec chancesc ofc winningc thec Californiac Lotteryc arec onec chancec inc twenty-twoc million.
A) inferentialc statistics B)c descriptivec statistics
9) Therec isc ac relationshipc betweenc smokingc cigarettesc andc gettingc emphysema.
A) inferentialc statistics B)c descriptivec statistics
10) Fromc pastc figures,c itc iscpredictedc thatc 19%c ofc thec registeredc votersc inc Californiac willc votec inc thec Junec primary.
A) inferentialc statistics B)c descriptivec statistics
11) Basedconcpreviouscclients,cacmarriageccounselorcconcludescthatcthecmajoritycofcmarriagescthatcbegincwithc co
habitationcbeforecmarriagecwillcresultcincdivorce.
A) inferentialc statistics B)c descriptivec statistics
4 Concepts
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Providec anc appropriatec response.
12) Explainc thec differencec betweenc ac samplec andc ac population.
13) Ifc youc hadc toc doc ac statisticalc study,c wouldc youc usec acsamplec orc acpopulation?c Why?
Pagec1
Copyrightc©c2012cPearsoncEducation,cInc.
,1.2 DatacClassification
1c c Distinguishc Betweenc Qualitativec andc Quantitativec Data
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Determinec whetherc thec datac arec qualitativec orc quantitative.
1) thec colorsc ofc automobilesc oncac usedc carc lot
A) qualitative B)c quantitative
2) thec numberc ofc complaintc lettersc receivedc byc thec Unitedc Statesc Postalc Servicec inc ac givenc day
A) quantitative B)c qualitative
3) thec numberc ofcseatsc incac moviec theater
A) quantitative B)c qualitative
4) thec numbersc onc thec shirtsc ofc ac girlʹsc soccerc team
A) qualitative B)c quantitative
2c c Classifyc Datac withc Respectc toc thec Fourc Levelsc ofc Measurement
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Identifyc thec datac setʹsc levelcofc measurement.
5) hairc colorc ofc womenc onc ac highc schoolc tennisc team
A) nominal B)c ordinal C)c interval D)c ratio
6) numbersc onc thecshirtsc ofc ac girlʹsc soccerc team
A) nominal B)c ordinal C)c interval D)c ratio
7) agesc ofc studentsc inc ac statisticc class
A) ratio B)c ordinal C)c interval D)c nominal
8) temperaturesc ofc 12c selectedc refrigerators
A) interval B)c ordinal C)c nominal D)c ratio
9) numberc ofc milligramsc ofc tarcinc 85c cigarettes
A) ratio B)c ordinal C)c interval D)c nominal
10) numberc ofc pagesc inc yourc statisticsc book
A) ratio B)c ordinal C)c interval D)c nominal
11) marriagec statusc (married,c single,c orc divorced)c ofc thec facultyc atc thec Universityc ofc Colorado
A) nominal B)c ordinal C)c interval D)c ratio
12) listc ofc1202c socialcsecurityc numbers
A) nominal B)c ordinal C)c interval D)c ratio
13) thec ratingsc ofc ac moviec rangingc fromc ʺpoorʺc toc ʺgoodʺc toc ʺexcellentʺ
A) ordinal B)c nominal C)c interval D)c ratio
14) thec finalc gradesc (A,c B,c C,c D,candc F)c forc studentsc inc ac statisticsc class
A) ordinal B)c nominal C)c interval D)c ratio
15) thec annualc salariesc forc allc teachersc inc California
A) ratio B)c ordinal C)c interval D)c nominal
Pagec2
Copyrightc©c2012cPearsoncEducation,cInc.
, 16) listcofczipccodesc forc Chicago
A) nominal B)c ordinal C)c interval D)c ratio
17) thec nationalitiesc listedc inc ac recentc surveyc (forc example,c Asian,c European,c orc Hispanic).
A) nominal B)c ordinal C)c interval D)c ratio
18) thec amountsc ofc fatc (inc grams)c inc 52c cookies
A) ratio B)c ordinal C)c interval D)c nominal
19) thec yearsc thec summerc Olympicsc werec heldc inc thec Unitedc States
A) interval B)c ordinal C)c nominal D)c ratio
20) numbersc ofc touchdownsc scoredc byc ac majorc universityc inc fivec randomlyc selectedc games
5 3 1 2 4
A) ratio B)c ordinal C)c interval D)c nominal
21) thec averagec dailyc temperaturesc (inc degreesc Fahrenheit)c onc fivec randomlyc selectedc days
35c c 24c c 30c c 31c c 34
A) interval B)c nominal C)c ordinal D)c ratio
22) manuscriptsc ratedc ʺacceptableʺc orc ʺunacceptableʺ
A) ordinal B)c nominal C)c ratio D)c interval
23) thec lengthsc (incminutes)c ofc thec topc tenc moviesc withc respectc toc ticketcsalesc inc 2007
A) ratio B)c nominal C)c ordinal D)c interval
24) thec datac listedc onc thec horizontalc axisc inc thec graph
A) nominal B)c interval C)c ordinal D)c ratio
Pagec3
Copyrightc©c2012cPearsoncEducation,cInc.
1.1 AncOverviewcofcStatistics
1 Distinguishc Betweenc ac Populationc andc ac Sample
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Identifyc thec populationc andc thec sample.
1) Ac surveyc ofc 1378c Americanc householdsc foundc thatc 27%c ofc thec householdsc ownc ac computer.
2) Whenc 1094c Americanc householdsc werec surveyed,c itc wasc foundc thatc 67%c ofc themc ownedc twoc cars.
3) Ac surveyc ofc 2625c elementaryc schoolc childrenc foundc thatc 28%c ofc thec childrenc couldc bec classifiedc asc obese.
2 Distinguishc Betweenc ac Parameterc andc ac Statistic
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Determinec whetherc thec numericalc valuec isc ac parameterc orc ac statistic.c Explainc yourc reasoning.
4) Acrecentcsurveycbycthecalumnicofcacmajorcuniversitycindicatedcthatcthecaveragecsalarycofc 10,500cofcitsc175,000cgr
aduatescwasc$95,000.
5) Thec averagec salaryc ofc allc assemblyc-linec employeesc atc ac certainc carc manufacturerc isc $41,000..
6) Ac surveyc ofc 1162cstudentsc wasc takenc fromc ac universityc withc 10,000c students.
3 Distinguishc Betweenc Descriptivec Statisticsc andc Inferentialc Statistics
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Identifyc whetherc thec statementc describesc inferentialc statisticsc orc descriptivec statistics.
7) Thec averagecagec ofc thecstudentsc incac statisticsc classc isc 19c years.
A) descriptivec statistics B)c inferentialc statistics
8) Thec chancesc ofc winningc thec Californiac Lotteryc arec onec chancec inc twenty-twoc million.
A) inferentialc statistics B)c descriptivec statistics
9) Therec isc ac relationshipc betweenc smokingc cigarettesc andc gettingc emphysema.
A) inferentialc statistics B)c descriptivec statistics
10) Fromc pastc figures,c itc iscpredictedc thatc 19%c ofc thec registeredc votersc inc Californiac willc votec inc thec Junec primary.
A) inferentialc statistics B)c descriptivec statistics
11) Basedconcpreviouscclients,cacmarriageccounselorcconcludescthatcthecmajoritycofcmarriagescthatcbegincwithc co
habitationcbeforecmarriagecwillcresultcincdivorce.
A) inferentialc statistics B)c descriptivec statistics
4 Concepts
SHORTc ANSWER.c Writec thec wordc orc phrasec thatc bestc completesc eachc statementc orc answersc thec question.
Providec anc appropriatec response.
12) Explainc thec differencec betweenc ac samplec andc ac population.
13) Ifc youc hadc toc doc ac statisticalc study,c wouldc youc usec acsamplec orc acpopulation?c Why?
Pagec1
Copyrightc©c2012cPearsoncEducation,cInc.
,1.2 DatacClassification
1c c Distinguishc Betweenc Qualitativec andc Quantitativec Data
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Determinec whetherc thec datac arec qualitativec orc quantitative.
1) thec colorsc ofc automobilesc oncac usedc carc lot
A) qualitative B)c quantitative
2) thec numberc ofc complaintc lettersc receivedc byc thec Unitedc Statesc Postalc Servicec inc ac givenc day
A) quantitative B)c qualitative
3) thec numberc ofcseatsc incac moviec theater
A) quantitative B)c qualitative
4) thec numbersc onc thec shirtsc ofc ac girlʹsc soccerc team
A) qualitative B)c quantitative
2c c Classifyc Datac withc Respectc toc thec Fourc Levelsc ofc Measurement
MULTIPLEc CHOICE.c Choosec thec onec alternativec thatc bestc completesc thec statementc orc answersc thec question.
Identifyc thec datac setʹsc levelcofc measurement.
5) hairc colorc ofc womenc onc ac highc schoolc tennisc team
A) nominal B)c ordinal C)c interval D)c ratio
6) numbersc onc thecshirtsc ofc ac girlʹsc soccerc team
A) nominal B)c ordinal C)c interval D)c ratio
7) agesc ofc studentsc inc ac statisticc class
A) ratio B)c ordinal C)c interval D)c nominal
8) temperaturesc ofc 12c selectedc refrigerators
A) interval B)c ordinal C)c nominal D)c ratio
9) numberc ofc milligramsc ofc tarcinc 85c cigarettes
A) ratio B)c ordinal C)c interval D)c nominal
10) numberc ofc pagesc inc yourc statisticsc book
A) ratio B)c ordinal C)c interval D)c nominal
11) marriagec statusc (married,c single,c orc divorced)c ofc thec facultyc atc thec Universityc ofc Colorado
A) nominal B)c ordinal C)c interval D)c ratio
12) listc ofc1202c socialcsecurityc numbers
A) nominal B)c ordinal C)c interval D)c ratio
13) thec ratingsc ofc ac moviec rangingc fromc ʺpoorʺc toc ʺgoodʺc toc ʺexcellentʺ
A) ordinal B)c nominal C)c interval D)c ratio
14) thec finalc gradesc (A,c B,c C,c D,candc F)c forc studentsc inc ac statisticsc class
A) ordinal B)c nominal C)c interval D)c ratio
15) thec annualc salariesc forc allc teachersc inc California
A) ratio B)c ordinal C)c interval D)c nominal
Pagec2
Copyrightc©c2012cPearsoncEducation,cInc.
, 16) listcofczipccodesc forc Chicago
A) nominal B)c ordinal C)c interval D)c ratio
17) thec nationalitiesc listedc inc ac recentc surveyc (forc example,c Asian,c European,c orc Hispanic).
A) nominal B)c ordinal C)c interval D)c ratio
18) thec amountsc ofc fatc (inc grams)c inc 52c cookies
A) ratio B)c ordinal C)c interval D)c nominal
19) thec yearsc thec summerc Olympicsc werec heldc inc thec Unitedc States
A) interval B)c ordinal C)c nominal D)c ratio
20) numbersc ofc touchdownsc scoredc byc ac majorc universityc inc fivec randomlyc selectedc games
5 3 1 2 4
A) ratio B)c ordinal C)c interval D)c nominal
21) thec averagec dailyc temperaturesc (inc degreesc Fahrenheit)c onc fivec randomlyc selectedc days
35c c 24c c 30c c 31c c 34
A) interval B)c nominal C)c ordinal D)c ratio
22) manuscriptsc ratedc ʺacceptableʺc orc ʺunacceptableʺ
A) ordinal B)c nominal C)c ratio D)c interval
23) thec lengthsc (incminutes)c ofc thec topc tenc moviesc withc respectc toc ticketcsalesc inc 2007
A) ratio B)c nominal C)c ordinal D)c interval
24) thec datac listedc onc thec horizontalc axisc inc thec graph
A) nominal B)c interval C)c ordinal D)c ratio
Pagec3
Copyrightc©c2012cPearsoncEducation,cInc.
