1.1 AnQOverviewQofQStatistics
1 DistinguishQ BetweenQ aQ PopulationQ andQ aQ Sample
SHORTQ ANSWER.Q WriteQ theQ wordQ orQ phraseQ thatQ bestQ completesQ eachQ statementQ orQ answersQ theQ question.
IdentifyQ theQ populationQ andQ theQ sample.
1) AQ surveyQ ofQ 1378Q AmericanQ householdsQ foundQ thatQ 27%Q ofQ theQ householdsQ ownQ aQ computer.
2) WhenQ 1094Q AmericanQ householdsQ wereQ surveyed,Q itQ wasQ foundQ thatQ 67%Q ofQ themQ ownedQ twoQ cars.
3) AQ surveyQ ofQ 2625Q elementaryQ schoolQ childrenQ foundQ thatQ 28%Q ofQ theQ childrenQ couldQ beQ classifiedQ asQ obese.
2 DistinguishQ BetweenQ aQ ParameterQ andQ aQ Statistic
SHORTQ ANSWER.Q WriteQ theQ wordQ orQ phraseQ thatQ bestQ completesQ eachQ statementQ orQ answersQ theQ question.
DetermineQ whetherQ theQ numericalQ valueQ isQ aQ parameterQ orQ aQ statistic.Q ExplainQ yourQ reasoning.
4) AQrecentQsurveyQbyQtheQalumniQofQaQmajorQuniversityQindicatedQthatQtheQaverageQsalaryQofQ 10,500QofQitsQ17
5,000QgraduatesQwasQ$95,000.
5) TheQ averageQ salaryQ ofQ allQ assemblyQ-lineQ employeesQ atQ aQ certainQ carQ manufacturerQ isQ $41,000..
6) AQ surveyQ ofQ 1162Q studentsQ wasQ takenQ fromQ aQ universityQ withQ 10,000Q students.
3 DistinguishQ BetweenQ DescriptiveQ StatisticsQ andQ InferentialQ Statistics
MULTIPLEQ CHOICE.Q ChooseQ theQ oneQ alternativeQ thatQ bestQ completesQ theQ statementQ orQ answersQ theQ question.
IdentifyQ whetherQ theQ statementQ describesQ inferentialQ statisticsQ orQ descriptiveQ statistics.
7) TheQ averageQ ageQ ofQ theQ studentsQ inQ aQ statisticsQ classQ isQ 19Q years.
A) descriptiveQ statistics B)Q inferentialQ statistics
8) TheQ chancesQ ofQ winningQ theQ CaliforniaQ LotteryQ areQ oneQ chanceQ inQ twenty-twoQ million.
A) inferentialQ statistics B)Q descriptiveQ statistics
9) ThereQ isQ aQ relationshipQ betweenQ smokingQ cigarettesQ andQ gettingQ emphysema.
A) inferentialQ statistics B)Q descriptiveQ statistics
10) FromQ pastQ figures,Q itQ isQ predictedQ thatQ 19%Q ofQ theQ registeredQ votersQ inQ CaliforniaQ willQ voteQ inQ theQ JuneQ primary.
A) inferentialQ statistics B)Q descriptiveQ statistics
11) BasedQonQpreviousQclients,QaQmarriageQcounselorQconcludesQthatQtheQmajorityQofQmarriagesQthatQbeginQ
withQ cohabitationQbeforeQmarriageQwillQresultQinQdivorce.
A) inferentialQ statistics B)Q descriptiveQ statistics
4 Concepts
SHORTQ ANSWER.Q WriteQ theQ wordQ orQ phraseQ thatQ bestQ completesQ eachQ statementQ orQ answersQ theQ question.
ProvideQ anQ appropriateQ response.
12) ExplainQ theQ differenceQ betweenQ aQ sampleQ andQ aQ population.
13) IfQ youQ hadQ toQ doQ aQ statisticalQ study,Q wouldQ youQ useQ aQ sampleQ orQ aQ population?Q Why?
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,1.2 DataQClassification
1Q Q DistinguishQ BetweenQ QualitativeQ andQ QuantitativeQ Data
MULTIPLEQ CHOICE.Q ChooseQ theQ oneQ alternativeQ thatQ bestQ completesQ theQ statementQ orQ answersQ theQ question.
DetermineQ whetherQ theQ dataQ areQ qualitativeQ orQ quantitative.
1) theQ colorsQ ofQ automobilesQ onQ aQ usedQ carQ lot
A) qualitative B)Q quantitative
2) theQ numberQ ofQ complaintQ lettersQ receivedQ byQ theQ UnitedQ StatesQ PostalQ ServiceQ inQ aQ givenQ day
A) quantitative B)Q qualitative
3) theQ numberQ ofQ seatsQ inQ aQ movieQ theater
A) quantitative B)Q qualitative
4) theQ numbersQ onQ theQ shirtsQ ofQ aQ girlʹsQ soccerQ team
A) qualitative B)Q quantitative
2Q Q ClassifyQ DataQ withQ RespectQ toQ theQ FourQ LevelsQ ofQ Measurement
MULTIPLEQ CHOICE.Q ChooseQ theQ oneQ alternativeQ thatQ bestQ completesQ theQ statementQ orQ answersQ theQ question.
IdentifyQ theQ dataQ setʹsQ levelQ ofQ measurement.
5) hairQ colorQ ofQ womenQ onQ aQ highQ schoolQ tennisQ team
A) nominal B)Q ordinal C)Q interval D)Q ratio
6) numbersQ onQ theQ shirtsQ ofQ aQ girlʹsQ soccerQ team
A) nominal B)Q ordinal C)Q interval D)Q ratio
7) agesQ ofQ studentsQ inQ aQ statisticQ class
A) ratio B)Q ordinal C)Q interval D)Q nominal
8) temperaturesQ ofQ 12Q selectedQ refrigerators
A) interval B)Q ordinal C)Q nominal D)Q ratio
9) numberQ ofQ milligramsQ ofQ tarQ inQ 85Q cigarettes
A) ratio B)Q ordinal C)Q interval D)Q nominal
10) numberQ ofQ pagesQ inQ yourQ statisticsQ book
A) ratio B)Q ordinal C)Q interval D)Q nominal
11) marriageQ statusQ (married,Q single,Q orQ divorced)Q ofQ theQ facultyQ atQ theQ UniversityQ ofQ Colorado
A) nominal B)Q ordinal C)Q interval D)Q ratio
12) listQ ofQ1202Q socialQ securityQnumbers
A) nominal B)Q ordinal C)Q interval D)Q ratio
13) theQ ratingsQ ofQ aQ movieQ rangingQ fromQ ʺpoorʺQ toQ ʺgoodʺQ toQ ʺexcellentʺ
A) ordinal B)Q nominal C)Q interval D)Q ratio
14) theQ finalQ gradesQ (A,Q B,Q C,Q D,Q andQ F)Q forQ studentsQ inQ aQ statisticsQ class
A) ordinal B)Q nominal C)Q interval D)Q ratio
15) theQ annualQ salariesQ forQ allQ teachersQ inQ California
A) ratio B)Q ordinal C)Q interval D)Q nominal
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, 16) listQofQ zipQcodesQ forQ Chicago
A) nominal B)Q ordinal C)Q interval D)Q ratio
17) theQ nationalitiesQ listedQ inQ aQ recentQ surveyQ (forQ example,Q Asian,Q European,Q orQ Hispanic).
A) nominal B)Q ordinal C)Q interval D)Q ratio
18) theQ amountsQ ofQ fatQ (inQ grams)Q inQ 52Q cookies
A) ratio B)Q ordinal C)Q interval D)Q nominal
19) theQ yearsQ theQ summerQ OlympicsQ wereQ heldQ inQ theQ UnitedQ States
A) interval B)Q ordinal C)Q nominal D)Q ratio
20) numbersQ ofQ touchdownsQ scoredQ byQ aQ majorQ universityQ inQ fiveQ randomlyQ selectedQ games
5 3 1 2 4
A) ratio B)Q ordinal C)Q interval D)Q nominal
21) theQ averageQ dailyQ temperaturesQ (inQ degreesQ Fahrenheit)Q onQ fiveQ randomlyQ selectedQ days
35Q Q 24Q Q 30Q Q 31Q Q 34
A) interval B)Q nominal C)Q ordinal D)Q ratio
22) manuscriptsQ ratedQ ʺacceptableʺQ orQ ʺunacceptableʺ
A) ordinal B)Q nominal C)Q ratio D)Q interval
23) theQ lengthsQ (inQ minutes)Q ofQ theQ topQ tenQ moviesQ withQ respectQ toQ ticketQ salesQ inQ 2007
A) ratio B)Q nominal C)Q ordinal D)Q interval
24) theQ dataQ listedQ onQ theQ horizontalQ axisQ inQ theQ graph
A) nominal B)Q interval C)Q ordinal D)Q ratio
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