A null hypothesis is the first form of hypothesis testing conducted. They rely on rejecting the null hypothesis to prove the hypothesis. They readily allow you to determine if your data falls ...

We can design studies to have particulat levels of power. We typically go for 80 or 90% power which mean 80% or 90% of the time, our study will correctly reject the null hypothesis. Sample size ...

What exactly is an Anderson-Darling test? Testing for normality is often the first step in analyzing your data. Many ...

Successful completion of this course demonstrate your achievement of the following learning outcomes for the MS-DS program: Define a composite hypothesis and the level of significance for a test with ...

The null hypothesis is proposed by a scientist before ... In the case of small samples (less than 10 in any category) that have 1 degree of freedom, the test is not reliable.

To access this Analyst sample data set, follow these steps ... The one-sided alternatives are that the difference is greater than, or less than, the difference specified in the null hypothesis. To ...