Basic Concepts and Definitions in Statistics · variable - pertains to an attribute that can assume different values · data - pertains to the value of a ...DEVCommunityisacommunityof642,334amazingdevelopersWe'reaplacewherecodersshare,stayup-to-dateandgrowtheircareers.CreatenewaccountLoginHomeSignIn/UpListingsPodcastsVideosTagsMore...CodeofConductFAQDEVShopSponsorsAboutPrivacyPolicyTermsofuseContactTwitterFacebookGithubInstagramTwitchloading...More...CopyarticlelinktotheclipboardCopiedtoClipboardSharetoTwitterSharetoLinkedInSharetoRedditSharetoHackerNewsSharetoFacebookSharePostvia...ReportAbuseThehumancivilizationhaslongbeenexposedtostatisticaldata,thelonghistoryofourcollectiveexperiencewithstatisticalinformationextendsbacktothebeginningofmankind(Walpole,1968).Turningdataintoinformationdemandastatisticalprocessthatiscrucialtodecision-making.Ourunderstandingofstatisticalmethodsrevolvesaroundourfamiliaritywiththebasicconceptsofstatistics.Thisarticlewillintroducesomebasicconceptsthatweencounterduringourelementarycoursesinstatistics.Hereisthelistoftermsweshouldbefamiliarwith:variable-pertainstoanattributethatcanassumedifferentvaluesdata-pertainstothevalueofavariablerandomdata-pertainstothevalueofvariablesdeterminedbychancedataset-pertainstoacollectionofdatadatavalue-pertainstoeachvalueinadatasetpopulation-pertainstoallentitiesthataresubjecttothestudyparameter-pertainstonumericalsummaryoranymeasurementderivedfromapopulationsample-pertainstoasubsetofthepopulationstatistic-pertainstoameasureofthesampleLet'sapplywhatwelearned.Considerthisexample:AsurveyconductedattheUniversityofArizonarevealedthatstudentsthatattendedclass80-100%ofthetimemostlyreceivedanAinclass.Meanwhile,thosewhoattended70-80%ofthetimeusuallyreceivedBorC.Tryansweringthefollowingquestions:whatarethevariablesconsideredinthesurvey?whatarethedatainthesurvey?whatisthepopulationunderthesurvey?whereisthesampledrawninthesurvey?AnswersThevariablesconsideredinthesurveyaregradesandattendance.Thedataconsistofspecificgrad