Execute the imputation commands and produce five imputed data sets for subsequent analysis. Save the imputed data set, and make sure to now use this imputed data set for all subsequent analyses.
a. What is the name of the variable that identifies the imputation number 1-5? Note that this will depend on the software procedure that you are using.
b. How many observations does this "concatenated" file contain? If you changed the number of imputations, how would that impact the number of observations in this file?