Thread: What is more accurate?

What is more accurate to get information about the p , a 95% confidence interval or a 2 tailed z-test??

Please i really need help.

Cheers

Originally Posted by Benny89

What is more accurate to get information about the p (population proportion) , a 95% confidence interval or a 2 tailed z-test??

Please i really would need some help.

Cheers

They are different things, one gives a random interval which 95% of the time contains the population ptoportion, while the other test the plausability of a hypothesised proportion given the sample.

RonL