On the Apple side with the desktop models, the Mac Mini would be the bottom, the iMac would be the Mid-range and the Mac Pro would be the Top range. They each have a low, middle and top range on each model also.
Laptops would be MacBook would be the bottom range, 15" MacBook Pro would be the mid range and the 17" MacBook Pro would be the top range.
mid range computer types
personal computer
The AS/400 is a classic IBM Midrange computer: It is now known as the "i Series. An AS/400 admin manages this type of computer.
You can build a decent midrange system for about $700. Check out http://www.newegg.com.
No average is much different from midrange
mechanical computer
Intergalactic Computer Network
A fujitsu lifebook computer typically runs about 700 dollars for the midrange computer and can also run with their phones and pager systems supposedly.
A laptop.
2,8,7,9,1,9,15,15,15
Notebook computer
MidRange - 2013 is rated/received certificates of: USA:PG-13