Question: Using your EAEF data set, regress LGEARN (1) on Sand EXP, (2) on S only, and (3) on EXP only. Calculate the correlation between Sand
Using your EAEF data set, regress LGEARN (1) on Sand EXP, (2) on S only, and (3) on EXP only. Calculate the correlation between Sand EXP. Compare the coefficients of Sin regressions (1) and (2). Give both mathematical and intuitive explanations of the direction of the change. Also compare the coefficients of EXP in regressions (1) and (3) and explain the direction of the change.
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