HELP IN 7 and 8 PLEASE!!!!
7. Consider the following regression estimates (robust standard errors in parentheses): lwage= 1.251 - (0.122) 0.0036 educ + (0.0249) 0.0029 educ (0.0012) 0.0791 educx female + (0.0178) 0.0039 educ²