Question 1'!) Needs Grading For this question, when i ask you to interpret also describe the statistical significance of the variable in question. The data in the itrain2 table comes from ajob training experiment on men conducted during 19?619??. jtrainS also comes from WEE19?? re?4, reTE, and re?8 denote the person's real earnings in 1874, 1935, and 19m. unen', unem?5, and unemTB are indicator variables for unemployment in 1974, 193'5, and 18713. train is an indicator variable showing whether or not the man participated in job training (in either 1976 or 1917}. black and hisp are dummies for race. age is a variable indicating the man's age in years in 1977'. educ is a variable indicating the man's years of education. d. interpret the estimated coefficients on the educ variable in models 5 3. 6