<image>In order to understand the shooting scores of members of the amateur shooting team, the average score (unit: rings, the number of rings is an integer) of each member in a certain shooting competition was counted, and the following statistical table and frequency distribution histogram were drawn. Based on the statistical table and frequency distribution histogram, please answer the following questions:

(1) How many participants attended this shooting competition?
(2) In which group of the frequency distribution histogram does the median of the average scores fall?
(3) In which group of the frequency distribution histogram does the mode of the average scores fall?

