(Following is from the Brenner Scoping Services Industry Special Report
released May 2004, posted with permission of Robert Brenner):

Proofreading:
Low - .15
High - 1.30
Average - .35

Scoping w/o audio:
Low - .65
High - 1.50
Average -.92

Scoping w/digital audio:
Low - .75
High - 3.00
Average - 1.10

Scoping w/audiotape
Low - .70
High - 3.00
Average - 1.10

Transcription (general)
Low - 1.10
High - 6.00
Average 3.48

This can be compared to another survey done in our SSG group in 2002:
http://www.bestscopingtechniques.com/ratespg.htm