Left Or Right-Tailed Test Calculator
Left Or Right-Tailed Test Calculator . The first step in hypothesis testing is to calculate the test statistic. It is a directional hypothesis : Confidence interval and Hypothesis testing for population mean (µ) when from en.ppt-online.org Also look for the significance level α in the top row. Pick the value occurring on the intersection of mentioned row and column. Alternatively to using this calculator, you can use a z critical.