opredg3360dgexamdg1dgrevie
w
1. Thedgtermdg candgreferdgtodg
thatdghelpdgusdgunderstanddgadgvarietydgofdgbusinessdgsituations.:dgstatistics;dgnume
ricaldgfacts
2. candgalsodgreferdgtodgthedg
ofdgcollecting,dganalyzing,dgpresenting,dganddginterpretingdgdata.:dgStatistics;dgartdgan
ddgscience
3. aredgthedgfactsdganddgfiguresdgcollected,dganalyzed,dganddgsummarized
dgfordgpresentationdganddginterpretation.:dgdata
4. Alldgthedgdatadgcollecteddgindgadgparticulardgstudydgaredgreferreddgtodgasdgthedg
fordgthedgstudy.:dgdatadgset
5. whatdgaredgthedg2dgtypesdgofdgdata?:dgqualitativedgwhichdgisdgcategorical,dganddgquantitativedgwhichdgisdgnumeri
cal
6. NominaldgScaledg(Categorical):dgDatadgaredglabelsdgordgnamesdguseddgtodgidentifydgandgattributedgofdgthedgelement.d
gA
nonnumericdglabeldgordgnumericdgcodedgmaydgbedgused.
7. OrdinaldgScaledg(Categorical):dgThedgdatadghavedgthedgpropertiesdgofdgnominaldgdatadganddgthedgorderdgordgrankdg
ofdgthedgdatadgisdgmeaningful.dgAdgnonnumericdglabeldgordgnumericdgcodedgmaydgbedgused.
8. IntervaldgScaledg(Quantitative):dgThedgintervaldgbetweendgobservationsdgisdgexpresseddgindgtermsdgofdgadgfixeddg
unitdgofdgmeasure.dgIntervaldgdatadgaredgalwaysdgnumeric.dgZerodgisdgmeaningless.
9. RatiodgScaledg(Quantitative):dgThedgratiodgofdgtwodgvaluesdgisdgmeaningful.dgThisdgscaledgmustdgcontaindgadgzero
dgvaluedgthatdgindicatesdgthatdgnothingdgexistsdgfordgthedgvariabledgatdgthedgzerodgpoint.
10. crossdgsectional:dgaredgcollecteddgatdgthedgsamedgordgapproximatelydgthedgsamedgtime
11. timedg series:dgaredgcollecteddgoverdgseveraldgtimedgperiodsdganddgidentifydganydgtrendsdgoverdgtime
12. Descriptive::d g Organizedganddgsummarizedgdata.dgMostdgofdgthedgstatisticaldginformationdgindgmagazines,dgcompanydgrepor
ts
anddgthedgnews.dgTheydgcandgbedgtables,dggraphsdgordgnumbers
13. Inferential::dgUsesdgdatadgobtaineddgfromdgadgsampledgtodgmakedgestimatesdganddgtestdghypothesisdgaboutdgthedgpopulati
on.d g Sample:dgsubsetdgofdgthedgpopulation.dgPopulation:dgthedgsetdgofdgalldgelementsdgofdginterest
14. Unethicaldgbehaviordgcandgtakedgadgvarietydgofdgformsdgincluding::dgImproperdgsampling,dgD
evel-
dgopmentdgofdgmisleadingdggraphs,dgUsedgofdginappropriatedgsummarydgstatistics,dgBiaseddginterpretationdgofdgthedgstatisticaldgr
esults
dg
dg
, opredg3360dgexamdg1dgrevie
w
15. Ifdgthedgmeasuresdgaredgcomputeddgfordgdatadgfromdgadgsample,dgtheydgaredgcalled:dgs
ampledgstatistics.
16. Ifdgthedgmeasuresdgaredgcomputeddgfordgdatadgfromdgadgpopulation,dgtheydgaredgcalled
:dg-
populationdgparameters.
17. Adgsampledgstatisticdgisdgreferreddgtodgasdgthedg
ofdgthedgcorrespondingdgpopulationdgparameter.:dgpointdgestimator
dg
dg
w
1. Thedgtermdg candgreferdgtodg
thatdghelpdgusdgunderstanddgadgvarietydgofdgbusinessdgsituations.:dgstatistics;dgnume
ricaldgfacts
2. candgalsodgreferdgtodgthedg
ofdgcollecting,dganalyzing,dgpresenting,dganddginterpretingdgdata.:dgStatistics;dgartdgan
ddgscience
3. aredgthedgfactsdganddgfiguresdgcollected,dganalyzed,dganddgsummarized
dgfordgpresentationdganddginterpretation.:dgdata
4. Alldgthedgdatadgcollecteddgindgadgparticulardgstudydgaredgreferreddgtodgasdgthedg
fordgthedgstudy.:dgdatadgset
5. whatdgaredgthedg2dgtypesdgofdgdata?:dgqualitativedgwhichdgisdgcategorical,dganddgquantitativedgwhichdgisdgnumeri
cal
6. NominaldgScaledg(Categorical):dgDatadgaredglabelsdgordgnamesdguseddgtodgidentifydgandgattributedgofdgthedgelement.d
gA
nonnumericdglabeldgordgnumericdgcodedgmaydgbedgused.
7. OrdinaldgScaledg(Categorical):dgThedgdatadghavedgthedgpropertiesdgofdgnominaldgdatadganddgthedgorderdgordgrankdg
ofdgthedgdatadgisdgmeaningful.dgAdgnonnumericdglabeldgordgnumericdgcodedgmaydgbedgused.
8. IntervaldgScaledg(Quantitative):dgThedgintervaldgbetweendgobservationsdgisdgexpresseddgindgtermsdgofdgadgfixeddg
unitdgofdgmeasure.dgIntervaldgdatadgaredgalwaysdgnumeric.dgZerodgisdgmeaningless.
9. RatiodgScaledg(Quantitative):dgThedgratiodgofdgtwodgvaluesdgisdgmeaningful.dgThisdgscaledgmustdgcontaindgadgzero
dgvaluedgthatdgindicatesdgthatdgnothingdgexistsdgfordgthedgvariabledgatdgthedgzerodgpoint.
10. crossdgsectional:dgaredgcollecteddgatdgthedgsamedgordgapproximatelydgthedgsamedgtime
11. timedg series:dgaredgcollecteddgoverdgseveraldgtimedgperiodsdganddgidentifydganydgtrendsdgoverdgtime
12. Descriptive::d g Organizedganddgsummarizedgdata.dgMostdgofdgthedgstatisticaldginformationdgindgmagazines,dgcompanydgrepor
ts
anddgthedgnews.dgTheydgcandgbedgtables,dggraphsdgordgnumbers
13. Inferential::dgUsesdgdatadgobtaineddgfromdgadgsampledgtodgmakedgestimatesdganddgtestdghypothesisdgaboutdgthedgpopulati
on.d g Sample:dgsubsetdgofdgthedgpopulation.dgPopulation:dgthedgsetdgofdgalldgelementsdgofdginterest
14. Unethicaldgbehaviordgcandgtakedgadgvarietydgofdgformsdgincluding::dgImproperdgsampling,dgD
evel-
dgopmentdgofdgmisleadingdggraphs,dgUsedgofdginappropriatedgsummarydgstatistics,dgBiaseddginterpretationdgofdgthedgstatisticaldgr
esults
dg
dg
, opredg3360dgexamdg1dgrevie
w
15. Ifdgthedgmeasuresdgaredgcomputeddgfordgdatadgfromdgadgsample,dgtheydgaredgcalled:dgs
ampledgstatistics.
16. Ifdgthedgmeasuresdgaredgcomputeddgfordgdatadgfromdgadgpopulation,dgtheydgaredgcalled
:dg-
populationdgparameters.
17. Adgsampledgstatisticdgisdgreferreddgtodgasdgthedg
ofdgthedgcorrespondingdgpopulationdgparameter.:dgpointdgestimator
dg
dg
