Question: Usinghow r2 for thebivariatemodelisbasedonthemarginalvariabilityof y and theconditional variabilityof y given x, explainwhyforaparticulartrend,wedexpect r2 (and SrS) tobelarger when therangeof x-valuessampledislarger.

Usinghow r2 for thebivariatemodelisbasedonthemarginalvariabilityof y and theconditional variabilityof y given x, explainwhyforaparticulartrend,we’dexpect r2 (and SrS) tobelarger when therangeof x-valuessampledislarger.

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