Gibt es einen Zusammenhang zwischen Körpergröße und Gewicht?

 

Berechnung der Regressionsgerade bzgl. y und bzgl. x

 


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> with(plots):

> punkte:=plot([[179,63],[180,71],[196,74],[178,73],[182,75],[172,58],[178,68],[205,88],[183,75],[176,67],[179,75],[183,70],[157,45],[180,70],[188,76],[174,63],[202,90],[189,81],[170,60],[172,56]],style=point,colour=black):

> regressionsgeradey:=plot(0.8884*x-91.0468,x=140..220,colour=red):

> regressionsgeradex:=plot((1/0.9571)*x-114.2464/0.9571,x=140..220,colour=blue):

> display({punkte,regressionsgeradex,regressionsgeradey});

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Anmerkung: In der Befehlszeile "punkte:=plot([[179,63],..." sorgt der Befehlsteil "style=point" dafür, dass die Punkte unverbunden gezeichnet werden.


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