with correct answers 2025>2026
Therevarevtwovtypesvofvstatisticsv-vcorrect-answers-descriptivevandvinferential
Descriptivevstatisticsvarevusedvtov-vcorrect-answers-Informv/vExplanatory
Inferentialvstatisticsvarevusedvtov-vcorrect-answers-Predictv/vTrend
Namevthevfourvlevelsvofvmeasurementv-vcorrect-answers-nominal,vordinal,vinterval,vratio
Continuousvdatavwithvuniquevzerovpointv-vcorrect-answers-ratio
Ordersvdatavatvequalvdistancevapartv-vcorrect-answers-interval
Placesvqualitativevobjectsvinvsomevkindvofvorderv-vcorrect-answers-ordinal
Identify,vGroup,vorvCategorizev-vcorrect-answers-nominal
, Outliersvcreatevthisvtypevofverrorv-vcorrect-answers-outvofvrange
Unpredictableverrorv-vcorrect-answers-RandomvErrorv-vNovcorrelation
Errorvmayvoccurvfromvmissingvdata.v
(Example:vSpacevnotvfilledvin)v-vcorrect-answers-OmissionvErrorv-vDistortedvResults
Thisverrorvrepeatsvitselfv-vcorrect-answers-SystematicvErrorv-vSkewedvresults
Whatvisvthevprocessvofvqualityvcontrol?v-vcorrect-answers-Reduce/vminimizeverrors
Allvvariablevmeasurementsvandvmanipulationsvarevundervthevresearcher'svcontrolv-vcorrect-
answers-ExperimentalvStudy
Usedvwhenvimpracticalvorvimpossiblevtovcontrolvthevconditionsvofvthevstudyv-vcorrect-answers-
ObservationalvStudy
Participantsvarevnotvtoldvifvtheyvarevinvthevtreatmentvgroupvtovcontrolvthevconditionsvofvthevstudyv-
vcorrect-answers-BlindvStudy
Thevprocedurevthevresearchervappliesvtoveachvsubjectv-vcorrect-answers-Treatments
Neithervthevtreatmentvallocatorvnorvthevparticipantsvknowvwhovisvinvthevtreatmentvgroupvorvcontr
olvgroupv-vcorrect-answers-Doublevblindvstudy