From advanced nursing classes to courses in child development, the curriculum includes an array of both classroom-based and experiential courses that will provide the necessary knowledge and skills for working in pediatrics.
The Project Management Institute, however, endorses the accepted convention that a negative variance is a bad thing, and a positive variance a good thing. A variance is the difference between the projected budget and the actual performance for a particular account. A negative variance means that the budgeted amount was greater than the actual amount spent. A positive variance means that the budgeted amount was less than the actual amount spent. Note there is some debate over whether a negative variance means an underrun or an overrun.
The formula mentioned above gives the variance in terms of cost which indicates how much cost of the work is yet to be completed as per schedule or how much cost of work has been completed over and above the scheduled cost. A positive SV indicates we are ahead of schedule. A negative SV indicates we are behind schedule.