Mcgraw-Hill - Seeing Through Statistics.pdf

?Doyoubelieveit?Isthereamorereason-ableconclusion?,onaverage,menaretallerthanwomen,,ifyouwantedto“prove”thatmenweretaller,youwouldneedtomeasuremanypeo-:Onaverage,?Woulditbesufficienttomeasurethepulseratesofonememberofeachsex?Twomembersofeachsex?Whatinformationaboutmen’sandwomen’spulserateswouldhelpyoudecidehowmanypeopletomeasure?.-parison?parison?–5,1995issue,,142readerswhoresponded,97%were“veryorsomewhatconcernedaboutviolenceonTV”(USAWeekend,2–4June1995,).Basedonthissurvey,canyouconcludethatabout97%?Whyorwhynot?Chapter1/,youprobablyeithergetanattackofmathanxietyorthinkaboutlifelessnumbers,suchasthepopulationofthecityortownwhereyoulive,asmeasuredbythelatestcensus,,-odsinfluenceeverythingfromlife-:ainingandprocess-,,