In Hypothesis Testing 1, ... Step 2: Now use the equation with z=1.645, µ=50 from the null hypothesis, sigma=5, and the square root of n=6 to solve for xbar. This solution is called the critical xbar ...

Hypothesis testing relies exclusively on data and doesn’t provide a comprehensive understanding of the subject being studied. Additionally, the accuracy of the results depends on the quality of ...

Despite the existence of different methodologies of hypothesis testing, the same four steps are used: define the hypothesis, set the criteria, calculate the statistic, and reach a conclusion.