Question

Ages of players in a cricket team are 25, 26, 25, 27, 28, 30, 31, 27, 33, 27, 29 find the minimum number of players to be added to the above team so that more of the data changes and what must be their ages

Answer 1

minimum two players are to be added so that mean, median and mode changes
the two players should have the age 25

mean and median changes by adding a single player. then one more is added to change the mode from 27 to 25 .
hence two players are added