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tlukearcher | 17:09 Wed 29th Mar 2006 | Science
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What is the difference between a confidnce interval and a standard error
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Confidence interval = 'I'm right, same as last time!"


Standard error = 'I know I'm right!'


Seriously, see http://www.health.state.pa.us/hpa/stats/techassist/sehedge.htm


Persevere with every sentence, and it might make sense! Good Luck!


heathfield, Thanks, you saved me from having to post this:


A confidence interval is a range within which a certain percent of probably exists, that data from a particular sample will apply to any individual member of the group being sampled.

Standard error is an estimate of variation between all possible samples of the same size.

I made these �definitions� up in hopes that it will incite someone to provide the real answer.

confidence interval = I,m always right they must of changed the formula


standard error= you know they changed the formula but you still use the old one and still expect the right answer

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