13. 1/3 points | Previous Answers MintroStat9 2.E 526.XP My Notes Ask Your Teach

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13. 1/3 points | Previous Answers MintroStat9 2.E 526.XP My Notes Ask Your Teacher The data from data54.dat contains information on 78 seventh-grade students. We want to know how well each of IQ score and self-concept score predicts GPA using least-squares regression. We also want to know which of these explanatory variables predicts GPA better. Give numerical measures that answer these questions. (Round your answers to three decimal places.) (Regressor: 1Q)R2 (Regressor: Self-Concept) R Which variable is the better predictor? IQ Self Concept

Explanation / Answer

applying regression on above data between GPA and IQ :

Regressor IQ =(SSR/SST)= 0.687

Regressor concept =0.578

as R2 value is grerater for IQ it is better predictor

( please revert if help is required on above)

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