Quote Originally Posted by tink0797
i am...and i hate it...

and he number of intervals doesn't really have too much to do with the reliability of your stat...its more to do with the type of sample to you take in relation to the population...
He is correct there! So long as your sample size is large enough and the data is normally distributed, you should get an accurate reflection on the population.

Hahhaa, I'm a math/stats major, I love that kind of stuff. Regression/ANOVA/Chi Square/hypothesis testing FTW!