Binomial Distribution Hypergeometric DistributionUnder Curve Probability

Z- Value Calculator1 X Mean Hypothesis Test2 X Independent MeansPaired SamplesMinimum Sample Size1 X Population Proportion Test2 X Ind. Population Proportions

1 X Mean1 X Proportion2 Ind. Population Means2 Population ProportionsSmall Sample (Mean)

Guide

When given a sample size less than 30, a t-value must be used in the place of a z-value.Â Information that is required is n (number of samples), X-bar, the standard deviation, and a confidence level.Â