Farcus Full Member 15+ Year Member Joined Nov 28, 2007 Messages 829 Reaction score 29 Points 4,641 Location My Bed Pharmacist Aug 6, 2008 #1 Advertisement - Members don't see this ad can someone tell me which formula is correct? n-1 or n? I know there are quite a few thread on this already but I didn't get any conclusive answer from the those threads.
Advertisement - Members don't see this ad can someone tell me which formula is correct? n-1 or n? I know there are quite a few thread on this already but I didn't get any conclusive answer from the those threads.
doc3232 Full Member 10+ Year Member 15+ Year Member Joined Feb 15, 2008 Messages 3,809 Reaction score 10 Points 4,601 Dental Student Aug 6, 2008 #2 It is n-1 but it depends on the degree of freedom, once you the population is big enough you can do "n" instead of "n-1." Someone confirm? Upvote 0 Downvote
It is n-1 but it depends on the degree of freedom, once you the population is big enough you can do "n" instead of "n-1." Someone confirm?
S silveryhair Full Member 10+ Year Member 5+ Year Member 15+ Year Member Joined Jul 23, 2008 Messages 249 Reaction score 0 Points 0 Aug 6, 2008 #3 I orginally thought it was n-1. but most practice test use N and wikipedia uses N too. Upvote 0 Downvote
