21. The messages were broadcast at 15 words per minute at a frequency of 1000 Hz. 22. The NVRA requires a minimum speed of 225 words per minute to qualify for certification. 23. The minimum speed needed to become certified by the NCRA is 225 words per minute . 24. Most symbol shorthand writers in secretarial positions wrote between 80 and 140 words per minute . 25. The closest competitor the whole day was Arpaio, who earlier typed 44 words per minute . 26. At the slower reading rates ( 100-300 words per minute ), subvocalizing may improve comprehension. 27. Visual readers read at approximately 700 words per minute . 28. To this day, Brown still types proficiently enough to dash out 60 error-free words per minute . 29. It required a more difficult written examination and a code test at twenty words per minute . 30. The world champion is Anne Jones with 4, 700 words per minute with 67 % comprehension.
