Two Sample Z Calculator
Two Sample Z Calculator. It checks if the difference between the means of two groups is statistically significance, based on sample averages . N2 = sample 2 size.
They are not known but can .
N2 = sample 2 size. In a life testing problem, the mean life of 38 cells of a company a, was found to be 30 hours. 5,689 views nov 28, 2015 how to test the difference between two means on a ti calculator. The calculator uses the probabilities from the student t .
