how is n sigma related to test how is n-sigma related to a t test how is n-sigma related to t what is the difference between t-test and sigma how is n-sigma related to sigma test how is n-sigma related to t-test how is n-sigma related to the student test nsigma means what how is n-sigma related to the t test can you measure n sigma how is n-sigma related to t test how is n sigma related to student t test what is the meaning of the term n sigma? a how are n-sigma and test related? how is n-sigma related to t test how is n-sigma related to t-test how is n-sigma related to test scores what is the relationship between the t-test and n-sigma what is the relationship between t test and n-sigma how is n sigma related to student test?