http:rtisuccessorg. Progress monitoring, one of the essential. components of Response to Intervention (RTI), is. characterized by repeated measurement of academic. performance that is conducted at least monthly. The. process may be used to assess studentsâ academic. performance over time, to quantify student rates of.
Calculating the Air Quality Index. The AQI is calculated by converting measured pollutant concentrations to a uniform index which is based upon peer-reviewed scientific evidence of the health effects associated with a pollutant.
Crude Rates. Crude rates are quite simple and straightforward. They are calculated by dividing the total number of cases in a given time period by the total number of persons in the population. In this case Population B has a higher crude rate of disease.