<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["fr", "en"].<end_of_turn>
<start_of_turn>user
Expliquer les concepts de variance et d'écart type dans l'estimation de projet.<end_of_turn>
<start_of_turn>model
Variance and Standard Deviation measure how spread a population is from the average. Standard Deviation is the square root of Variance. In PERT, the standard deviation is one-sixth of the range.<end_of_turn><eos>