Rivaroxaban is FDA approved for the acute treatment of DVT and PE and reduction in. risk of recurrence of DVT and PE.
First Known Use: 1732. average, mean, median, norm mean something that represents a middle point. average is the quotient obtained by dividing the sum total of a set of figures by the number of figures.irst Known Use: 1732. average, mean, median, norm mean something that represents a middle point. average is the quotient obtained by dividing the sum total of a set of figures by the number of figures.
 The mean is the average of a given set of numbers. You add the numbers together and divide the sum by the amount of numbers. For example, you would find the mean of 4,5,6,7 â¦ , and 8 by adding them together to get 30.