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#1
09-22-2011
 USMLE Forums Addict Steps History: CK Only Posts: 105 Threads: 19 Thanked 69 Times in 32 Posts Reputation: 79
confidence interval

in FA they said if CI contain zero ---> there is no correlation
but in other source I found instaed of zero 1?
so which one is correct

thank you

#2
09-22-2011
 USMLE Forums Veteran Steps History: Not yet Posts: 296 Threads: 41 Thanked 167 Times in 102 Posts Reputation: 177
both are correct

Quote:
 Originally Posted by laurier in FA they said if CI contain zero ---> there is no correlation but in other source I found instaed of zero 1? so which one is correct thank you
if the CI for a mean difference between variables includes 0 then you fail to reject null
if the CI for odds ratio or RR includes 1 then you fail to reject null
 The above post was thanked by: laurier (09-22-2011)

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