Elementary Statistics Exam 1 QUESTIONS WITH
CORRECT ANSWERS 2026
sampleV-VCORRECTVANSWERSV-aV(small)VgroupV(subset)VtakenVfromVaVpopulationV(largeVgroup)V-
VtheV75Vcustomers
randomV-VCORRECTVANSWERSV-
ifVeachVmemberVofVtheVpopulationVhasVanVequallyVlikelyVchanceVofVbeingVselected.
variableV-VCORRECTVANSWERSV-aVcharacteristicVofVinterestVaboutVeachVmemberVofVaVpopulation.V-
VtheVcheckoutVtimeVforVoneVcustomer
dataVvalueV(point)V-VCORRECTVANSWERSV-aVspecificVvalueVofVaVvariableV-
V2Vminutes,VoneVcustomer'sVcheckoutVtime
dataV-VCORRECTVANSWERSV-
theVcollectionVofVallVdataVvalues,VandVshouldVaccuratelyVrepresentVtheVpopulationVbasedVonVanVun
biasedV(random)VsamplingVmethodV-VtheV75Vtimes
experimentV-VCORRECTVANSWERSV-anyVactivityVorVactionVwithVanVobservableVoutcomeV-
VtheVprocessVusedVtoVselectV75VcustomersVandVmeasureVtheirVtimes
parameterV-VCORRECTVANSWERSV-
aVnumericalVvalueVthatVsummarizesVaVpopulationV(thisVvalueVisVconstant).V-
VtheVmeanVtimeVforVallVcustomers
statisticV-VCORRECTVANSWERSV-
aVnumericalVvalueV(function)VthatVsummarizesVaVsampleV(thisVvalueVmayVchangeVfromVsampleVtoVs
ample).V-VtheVmeanVtimeVforVtheV75Vcustomers
CORRECT ANSWERS 2026
sampleV-VCORRECTVANSWERSV-aV(small)VgroupV(subset)VtakenVfromVaVpopulationV(largeVgroup)V-
VtheV75Vcustomers
randomV-VCORRECTVANSWERSV-
ifVeachVmemberVofVtheVpopulationVhasVanVequallyVlikelyVchanceVofVbeingVselected.
variableV-VCORRECTVANSWERSV-aVcharacteristicVofVinterestVaboutVeachVmemberVofVaVpopulation.V-
VtheVcheckoutVtimeVforVoneVcustomer
dataVvalueV(point)V-VCORRECTVANSWERSV-aVspecificVvalueVofVaVvariableV-
V2Vminutes,VoneVcustomer'sVcheckoutVtime
dataV-VCORRECTVANSWERSV-
theVcollectionVofVallVdataVvalues,VandVshouldVaccuratelyVrepresentVtheVpopulationVbasedVonVanVun
biasedV(random)VsamplingVmethodV-VtheV75Vtimes
experimentV-VCORRECTVANSWERSV-anyVactivityVorVactionVwithVanVobservableVoutcomeV-
VtheVprocessVusedVtoVselectV75VcustomersVandVmeasureVtheirVtimes
parameterV-VCORRECTVANSWERSV-
aVnumericalVvalueVthatVsummarizesVaVpopulationV(thisVvalueVisVconstant).V-
VtheVmeanVtimeVforVallVcustomers
statisticV-VCORRECTVANSWERSV-
aVnumericalVvalueV(function)VthatVsummarizesVaVsampleV(thisVvalueVmayVchangeVfromVsampleVtoVs
ample).V-VtheVmeanVtimeVforVtheV75Vcustomers