1. The problem statement, all variables and given/known data A question gives the problem find the two arithmetic means between 4 and 19. The answer is 9 and 14. 2. Relevant equations (a1+a2+a3+an)/n 3. The attempt at a solution Logic would dictate that the arithmetic mean would be adding 4 and 19 then dividing by two. Leaving the supposed answer to be 11 and a half. This is for an academic team, so a step by step answer would be appreciated so that we may learn how to do it later.