Main entry: frequency, absolute frequency
Definition: the number of observations in a given statistical category
Main entry: frequency, relative frequency
Definition: the ratio of the number of observations in a statistical category to the total number of observations
Main entry: frequence, frequency, oftenness
Definition: the number of occurrences within a given time period
Usage: the frequency of modulation was 40 cycles per second; the frequency of his seizures increased as he grew older