Key Points Hypothesis testing provides organizations with a structured approach to evaluate assumptions using data, reducing ...

If the test is a 1-tail test ... The situation is the same in hypothesis testing. Instead of using , you must use where the expression has a t-distribution with n-1 degrees of freedom. Example: A ...

We will learn to identify when hypothesis tests based on these distributions are appropriate. We will review the concept of sample variance and derive the “t-test”. Additionally, we will derive our ...