sosme Messages 2 Reaction score 0 Thread starter Oct 17, 2010 #1 I thought that they were both the same, they're mean of the sample aren't they?
mathman Science Advisor Homework Helper Messages 8,130 Reaction score 575 Oct 18, 2010 #2 When you first encounter such terms get the precise definition. The definitions are not written in stone. Sometimes you need to distinguish between sample mean (average) and theoretical mean.
When you first encounter such terms get the precise definition. The definitions are not written in stone. Sometimes you need to distinguish between sample mean (average) and theoretical mean.