# 31: Two Independent Samples With Statistics and Known Population Standard Deviations Hypothesis Test and Confidence Interval Calculator


Two Independent Samples with statistics, Population Standard Deviation known Calculator

Enter in the statistics, the tail type and the confidence level and hit Calculate and the test statistic, t, the p-value, p, the confidence interval's lower bound, LB, and the upper bound, UB will be shown.  Be sure to enter the confidence level as a decimal, e.g., 95% has a CL of 0.95.

 Sample Size Sample Mean Population Standard Deviation First Sample Second Sample
 $$\lt$$ $$\gt$$ $$\neq$$
 CL:
 z: p: LB: UB: