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Source SS df MS Number of obs 935 F (2, 932) 66.31 Model 19023273.1 2 9511636.56 Prob > F 0. 000. Residual 133692895 932 143447.312

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Source SS df MS Number of obs 935 F (2, 932) 66.31 Model 19023273.1 2 9511636.56 Prob > F 0. 000. Residual 133692895 932 143447.312 R-squared 0 . 1246 Adj R-squared = 0. 1227 Total 152716168 934 163507.675 Root MSE 378.74 wage Coefficient Std. err. t P> | t| [95% conf. interval] IQ 8. 503461 . 8240927 10.32 0.000 6. 886169 10. 12075 age 22 . 19023 3. 991491 5.56 0.000 14.35688 30 . 02358 _cons -637.3626 159. 7452 -3.99 0. 000 -950 . 8645 -323 . 8608 Consider the following regression estimates (ID233), where wage is monthly wage in US$, /Q is score on an IQ intelligence test, and age is a person's age in years. Interpret the age coefficient

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