A coach wants to know if baseball players who warm up before a game will score more points than those who don't warm up. He will break the team up into two groups and make sure each player gets equal time on the field. He will then count how many points each player makes during the game. What statistic should he study?

Question

anonymous · Answer

The mean number of points earned by each player

 The standard deviation of the number of points earned by each player

 The standard deviation of the number of points earned by each group

 The mean number of points earned by each group

anonymous · Answer

Can u guys please help me i dont get it

anonymous · Answer

Am not sure, but I think it is probability