List of CalculatorsControl Limit For C Chart Control Limits for IMR Chart Control Limits for NP Chart Control Limits for P Chart Control Limit For U Chart Control Limits for Xbar-R chart Control Limits for Xbar-S chart Cost of Poor Quality Guide to Master Black Belt Competency Guide to select the right Hypothesis Test Little’s Law Net Present Value Overall Equipment Efficiency (OEE) Process capability calculator Process Cycle Efficiency R Square Adjusted Sample size calculator for mann whitney test Sample Size Calculator for 1 Proportion Test Sample Size Calculator For 2 Proportion Test Sample Size Calculator For 1 Proportion Test (Finite Population) Sample Size Calculator For 2 Proportion Test (Finite Population) Sample Size calculator For 1 Sample T Test Sample Size Calculator For 2 Sample T Test Sample Size Calculator For 1 Sample T Test (Finite Population) Sample Size Calculator For 2 Sample T Test (Finite Population) Sample Size Estimation (Mean) Sample Size Estimation(Proportion Data) Sigma Level Calculator (Continuous Data) Sigma Level Calculator (Discrete Data – Defects) Sigma Level Calculator (Discrete Data – Defectives) Takt Time Sample Size calculator for 1 Sample T Test Hint: Use this calculator to determine the number of samples to compare the mean of a population with a standard, expected or target value. Confidence LevelThe minimum acceptable probability of preventing type I error90%95%99%99.9%Power of the TestThe minimum acceptable probability of preventing type II error 50%80%90%95%99%Reference Mean ValueThis is the standard or target or the known mean Sample Standard Deviation This is the known or estimated (from research) or the sample standard deviation Sample Mean ValueThis is the mean of the sample (in question) Sample Size for 1 Sample T Test Minimum samples required to check if your mean is similar to the standard or reference mean Δ