Jmu Math 105 Final Exam With Correct
And Verified Answers Graded A+
Pilot vStudy v- vCORRECT✅✅a vsmall vgroup vof vpeople vare vasked va vquestion vin van
vopen vform vand vtheir vresponses vdictate vthe vchoices vfor vthe vclosed vquestion
Statistic v- vCORRECT✅✅Summary vof va vsample
Correlation v- vCORRECT✅✅Relationship vbetween vtwo vvariables
Study vQuestion v- vCORRECT✅✅survey, vquestionnaire, vetc
Population v- vCORRECT✅✅Group vof vindividuals, vunits, vor vsubjects
Parameter v- vCORRECT✅✅The vsummary vof va vpopulation
Sample v- vCORRECT✅✅Subset vof vthe vpopulation vthat vwe vmeasure v(random,
vsize)
descriptive vstatistic v- vCORRECT✅✅summary vof vstatistics vthat vquantitively
vsummarizes vthe vcollection vof vinformation v(graphs, v%, vnumbers)
Inferential vstatistic v- vCORRECT✅✅By vprobability vrules, vwe vmake vconclusions
vabout vthe vpopulation
Numerical vVariable v- vCORRECT✅✅Quantitative, vdiscrete v(listed vvariable),
vcontinous
discrete vvariable v- vCORRECT✅✅countable vfor va vfinite vamount vof vtime v(car
vaccidents v(1, v2, v3, vetc))
continuous vvariable v- vCORRECT✅✅it vwould vtake vforever vto vcount vor vanything
vwithin vthat vgiven vinterval v(age)
Categorical vvariable v- vCORRECT✅✅Qualitative, vnominal, vordinal, vpie vcharts
nominal vvariable v- vCORRECT✅✅numerical vdata v(zip vcode)
ordinal vvariable v- vCORRECT✅✅level vdata v(class(F,S,J,Se))
explanatory vvariable v- vCORRECT✅✅variable vthat vchanges vthe voutcome vor
vresponse vvariable
, response vvariable v- vCORRECT✅✅the vpotential veffect vof vthe vdata vthat vwe
vmeasure
convenience vsample v- vCORRECT✅✅selecting va vsample vdue vto vease
Data v- vCORRECT✅✅Collection vof vnumbers vor vother vpieces vof vinformation vthat
vhas vbeen vgiven vmeaning
Deliberate vBias v- vCORRECT✅✅questions vworded vto velicit va vspecific vresponse vto
vsupport va vcertain vcause
unintentional vbias v- vCORRECT✅✅wording vof vquestions vthat vare vlargely
vmisinterpreted vdue vto vlack vof vspecificity vor vclarification
Open vquestions v- vCORRECT✅✅answers vcan vbe vdone vin vtheir vown vwords
Closed vquestions v- vCORRECT✅✅List vof vchoices vto vpick vtheir vanswers vfrom
Interval vvariable v- vCORRECT✅✅the vdifference vbetween vthe vtwo vvalues vare
vmeaningful
Ratio vVariable v- vCORRECT✅✅Has va vmeaningful vvalue vof vzero, vand vit vmakes
vsense vto vtalk vabout vthe vration vof vone vvalue vto vanother
valid vmeasurement v- vCORRECT✅✅actually vmeasures vwhat vit vclaims vto vmeasure
reliable vmeasurement v- vCORRECT✅✅consistent vwhen vtaken von vthe vsame vobject
vor vindividual
biased vmeasurement v- vCORRECT✅✅systematically voff vthe vmark vin vthe vsame
vdirection
variability v- vCORRECT✅✅difference vvariables vdue vto vunpredictable verrors,
vdiscrepancies, vor vnatural vdifference vthat vis vnot vexplained
measurement verror v- vCORRECT✅✅the vamount vby vwhich veach vmeasurement
vdiffers vfrom vthe vtrue vvalue
natural vvariability v- vCORRECT✅✅variability vthat vnaturally voccurs
Experiments v- vCORRECT✅✅when vthe vresearcher vapplies va vtreatment
v(explanatory vvariable) vto vparticipate vand vmeasure vthe vresponse vvariable
randomized vexperiments v- vCORRECT✅✅the vresearcher vassigns vtreatment
vthrough va vrandom vprocess
And Verified Answers Graded A+
Pilot vStudy v- vCORRECT✅✅a vsmall vgroup vof vpeople vare vasked va vquestion vin van
vopen vform vand vtheir vresponses vdictate vthe vchoices vfor vthe vclosed vquestion
Statistic v- vCORRECT✅✅Summary vof va vsample
Correlation v- vCORRECT✅✅Relationship vbetween vtwo vvariables
Study vQuestion v- vCORRECT✅✅survey, vquestionnaire, vetc
Population v- vCORRECT✅✅Group vof vindividuals, vunits, vor vsubjects
Parameter v- vCORRECT✅✅The vsummary vof va vpopulation
Sample v- vCORRECT✅✅Subset vof vthe vpopulation vthat vwe vmeasure v(random,
vsize)
descriptive vstatistic v- vCORRECT✅✅summary vof vstatistics vthat vquantitively
vsummarizes vthe vcollection vof vinformation v(graphs, v%, vnumbers)
Inferential vstatistic v- vCORRECT✅✅By vprobability vrules, vwe vmake vconclusions
vabout vthe vpopulation
Numerical vVariable v- vCORRECT✅✅Quantitative, vdiscrete v(listed vvariable),
vcontinous
discrete vvariable v- vCORRECT✅✅countable vfor va vfinite vamount vof vtime v(car
vaccidents v(1, v2, v3, vetc))
continuous vvariable v- vCORRECT✅✅it vwould vtake vforever vto vcount vor vanything
vwithin vthat vgiven vinterval v(age)
Categorical vvariable v- vCORRECT✅✅Qualitative, vnominal, vordinal, vpie vcharts
nominal vvariable v- vCORRECT✅✅numerical vdata v(zip vcode)
ordinal vvariable v- vCORRECT✅✅level vdata v(class(F,S,J,Se))
explanatory vvariable v- vCORRECT✅✅variable vthat vchanges vthe voutcome vor
vresponse vvariable
, response vvariable v- vCORRECT✅✅the vpotential veffect vof vthe vdata vthat vwe
vmeasure
convenience vsample v- vCORRECT✅✅selecting va vsample vdue vto vease
Data v- vCORRECT✅✅Collection vof vnumbers vor vother vpieces vof vinformation vthat
vhas vbeen vgiven vmeaning
Deliberate vBias v- vCORRECT✅✅questions vworded vto velicit va vspecific vresponse vto
vsupport va vcertain vcause
unintentional vbias v- vCORRECT✅✅wording vof vquestions vthat vare vlargely
vmisinterpreted vdue vto vlack vof vspecificity vor vclarification
Open vquestions v- vCORRECT✅✅answers vcan vbe vdone vin vtheir vown vwords
Closed vquestions v- vCORRECT✅✅List vof vchoices vto vpick vtheir vanswers vfrom
Interval vvariable v- vCORRECT✅✅the vdifference vbetween vthe vtwo vvalues vare
vmeaningful
Ratio vVariable v- vCORRECT✅✅Has va vmeaningful vvalue vof vzero, vand vit vmakes
vsense vto vtalk vabout vthe vration vof vone vvalue vto vanother
valid vmeasurement v- vCORRECT✅✅actually vmeasures vwhat vit vclaims vto vmeasure
reliable vmeasurement v- vCORRECT✅✅consistent vwhen vtaken von vthe vsame vobject
vor vindividual
biased vmeasurement v- vCORRECT✅✅systematically voff vthe vmark vin vthe vsame
vdirection
variability v- vCORRECT✅✅difference vvariables vdue vto vunpredictable verrors,
vdiscrepancies, vor vnatural vdifference vthat vis vnot vexplained
measurement verror v- vCORRECT✅✅the vamount vby vwhich veach vmeasurement
vdiffers vfrom vthe vtrue vvalue
natural vvariability v- vCORRECT✅✅variability vthat vnaturally voccurs
Experiments v- vCORRECT✅✅when vthe vresearcher vapplies va vtreatment
v(explanatory vvariable) vto vparticipate vand vmeasure vthe vresponse vvariable
randomized vexperiments v- vCORRECT✅✅the vresearcher vassigns vtreatment
vthrough va vrandom vprocess
