Linear,
Alot to me means frequently. (Please dont ask me to define that - LOL)
Some days are better than others - based on the quality of pitching you face.
When my boys initiate discussions with me about their at bats after a game - it is usually the first thing we talk about. What were they looking for - and what did they get. On good days - there arent many misses. On bad days - there are several (general example: 4 at bats - 20 pitches - and at least 5 toughies).
It is very similar to my own experience playing. I guess if you are a MLB player - you dont miss as frequently - but I wouldnt know that.