(a) here we use t-test and statistic t=0.188/0.038=4.95 with n-p=935-8=927 df
the critical t(0.05/2,927)=1.96 is less than calculated t=4.95, so it is significant
(b) for married women the marr=1 and f=1 and its combined coefficient=0.199*1-0.188*1=0.011
for single men the marr=0 and f=0 and its combined coefficient=0.199*0-0.188*0=0
so married women will urn more by 0.011 units
(c) for urban married women the, urban=1, marr=1 and f=1 and its combined coefficient=0.184*1+0.199*1-0.188*1=0.195
for single not urban men the urban=0, marr=0 and f=0 and its combined coefficient=0*0.184+0.199*0-0.188*0=0
urban married women will earn more by 0.195 units
(d) here f=1.49 will follow F(2,927) and corresponding p-value=0.23 and it is not significant at alpha=0.05, so adding these two variables have no impact on the model
Suppose the following model of wage determination: log(w) 5.40 0.0654edu + 0.0140exp + 0.0117tenu + 0.199marr...
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