Falconmage wants a bell shaped graph, He gets one...

black lines( n ) shows number of normal Hurr ysed by peoples under controlled environments.

red line( m ) shows number of hurrs occur if the quality of conversation is low.

blue cross is random percentage of hurrs typed in against time.

thus, we conclude that

1) Some people hurrs randomly.
2) some people use Hurr to replace "Hello", and "What's up"
3) If your chat is full with crap ( low quality conversation) people tends to Hurr a lot
4) "Hurr" is used most of the time, and only few people used Hu, or Hurrrrrrrrrrrrrrrrrrrr
5) If your chat partner says Hurrs a lot.. means they want to log off and leave you in a ditch
6) Hurrs can occur randomly... maybe soem peope don't know what else to talk about.

That's it... Happy hurring.

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Subjects are given spyware, and keylogger to conduct this experiment*