Use Stata command Each problem uses a different dataset. Load the respective dataset for each problem. You must include the code and the output in your responses. You can see the handout called All Commands from Passion Driven Statistics for commands used in this course. Problem 3. National Supported Work demonstration The National Supported Work randomized experiment was conducted at 10 sites in the mid-1970s by MDRC, a research institute in Manhattan founded by the Ford Foundation. The data are located here and on OneDrive: http://www.nber.org/~rdehejia/data/nsw.dta There were two sets of participants: women receiving public assistance (then Aid to Families with Dependent Children) and people who may have trouble getting employment due to criminal records, lack of high school diploma, and substance use histories. The treatment group was given a paid job for 9--18 months and group meetings with counselors in groups of 3--5. The jobs tended to be in service industries for women and construction for men, but some people worked in gas stations and print shops. After the program, participants had to find their own employment. The control group was not given any benefits or training. Here is a comparison of the treatment and control groups. a. Using