Mean vs Median · The mean (informally, the “average“) is found by adding all of the numbers together and dividing by the number of items in the set: 10 + 10 + 20 + ...ShareonContents(Clicktoskiptothatsection):Allaboutthe…MeanModeMedianHowtofindthemean,medianandmodebyhand.Findthemean,medianandmodewithTechnology:SPSSTI83MeaninROverviewWatchthevideoforanoverviewandhowtofindthemean,medianandmode:Can’tseethevideo?Clickhere.Stuckonhowtofindthemean,median,&modeinstatistics?Themeanistheaverageofadataset.Themodeisthemostcommonnumberinadataset.Themedianisthemiddleofthesetofnumbers.Ofthethree,themeanistheonlyonethatrequiresaformula.Iliketothinkofitintheotherdictionarysenseoftheword(asin,it’smeanasopposedtonice!).That’sbecause,comparedtotheothertwo,it’snotaseasytoworkwith.HintstorememberthedifferenceHavingtroublerememberingthedifferencebetweenthemean,medianandmode?Here’sacoupleofhintsthatcanhelp.YoucanalsocheckoutthetutorsatChegg.com(yourfirst30minutesisfree!).“Alamode”isaFrenchwordthatmeansfashionable;Italsoreferstoapopularwayofservingicecream.So“Mode”isthemostpopularorfashionablememberofasetofnumbers.ThewordMOdeisalsolikeMOst.The“Mean”requiresyoudoarithmetic(addingallthenumbersanddividing)sothat’sthe“mean”one.“Median”hasthesamenumberoflettersas“Middle”.TheMeanMeanvs.MedianMeanvs.AverageSpecific“Means”commonlyusedinStatsOtherTypesMeanvsMedianBotharemeasuresofwherethecenterofadatasetlies(called“CentralTendency”instats),buttheyareusuallydifferentnumbers.Forexample,takethislistofnumbers:10,10,20,40,70.Themean(informally,the“average“)isfoundbyaddingallofthenumberstogetheranddividingbythenumberofitemsintheset:10+10+20+40+70/5=30.Themedianisfoundbyorderingthesetfromlowesttohighestandfindingtheexactmiddle.Themedianisjustthemiddlenumber:20.Sometimesthetwowillbethesamenumber.Forexample,thedataset1,2,4,6,7hasameanof1+2+4+6+7/5=4andamedian(amiddle)of4.MeanvsAverage:What’stheDifference?Whenyoufirststartedoutinmathematics,youwereprobablytaughtthatanaveragewasa“middling”amountforasetofnumbe