Run the following program to create the data set PRINCIPAL: Write the statements necessary to run a factor analysis and produce a scree plot. Looking at this plot, decide how many factors you want to...

Run the following program to create the data set PRINCIPAL:

Write the statements necessary to run a factor analysis and produce a scree plot. Looking at this plot, decide how many factors you want to maintain, and add an option to the procedure to extract this many factors and to perform a VARIMAX rotation