the number of occurrences within a given time period
"the frequency of modulation was 40 cycles per second"
"the frequency of his seizures increased as he grew older" the ratio of the number of observations in a statistical category to the total number of observations the number of observations in a given statistical category
Georgetown University
Founded in 1789 and the nation's oldest Catholic and Jesuit university. Describes the campus community, services for students, alumni, courses, and admissions. http://www.georgetown.edu/