Guestlon 1O Needs Grading For this question, when | ask you to interpret also describe the statistical significance of the variable in question. The data in the jtrain2 table comes from a job training experiment on men conducted during 1976-1977. jtrain3 also comes from 1976-1977. r974, re75, and re78 denote the person's real earnings in 1974, 1975, and 1978. unem74, unem75, and unem78 are indicator variables for unemployment in 1974, 1975, and 1978. train is an indicator variable showing whether or not the man participated in job training (in either 1976 or 1977). 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 & 6