Resolved and unresolved populations: statistics and synthesis models
  In this contribution, I present the 90% confidence limits on the diagnostic diagrams of EW(WR bump) and L(WR bump)/L(Hb) ratio vs. EW(Hb) resulting from evolutionary synthesis models that include the statistical dispersion due to finite stellar populations in real star forming regions. 
M. Cervino (IAA, LAEFF)