A time series comparing local unemployment rates with placement rates for job training program participants could be computed quantitatively and changes interpreted through the more qualitative time series data about the program.
The time series has been going on for the past eight months. 
mnli hypothesis: The time series has been going on for the past eight months.  premise: A time series comparing local unemployment rates with placement rates for job training program participants could be computed quantitatively and changes interpreted through the more qualitative time series data about the program.