the number of observations in a given statistical category
the ratio of the number of observations in a statistical category to the total number of observations
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"
obtain by purchase; acquire by means of a financial transaction; "The family purchased a new car"; "The conglomerate acquired a new company"; "She buys for the big department store"
acquire by trade or sacrifice or exchange; "She wanted to buy his love with her dedication to him and his work"
be worth or be capable of buying; "This sum will buy you a ride on the train"