Hypothesis testing is a branch of statistics in which an inference is made about a population parameter or a population probability distribution using data from a sample. Let’s examine the purpose of ...

Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics. It is most often used by researchers to test predictions, called hypotheses. The first step in ...

Once you have decided on the test you would like to use, you need to check the assumptions. These are conditions which your data will need to meet if the hypothesis test is going to work. Tests which ...

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 ...

Confidence intervals and hypothesis tests are directly linked. Confidence intervals can be used to check the reasonableness of claims about the parameter. If someone claims the parameter is equal to ...