An alternative or alternate hypothesis (denoted Ha), is then stated which will be the opposite of the Null Hypothesis. The hypothesis testing process and analysis involves using sample data to ...

All analysts use a random population sample to test two different hypotheses: the null hypothesis and the alternative hypothesis. The null hypothesis is usually a hypothesis of equality between ...

In Example 3, you the alternative hypothesis leads you to reject the null hypothesis for either large or small values of xbar. This is a two tail test. There are two critical z-values, -1.96 and +1.96 ...

Essentially, the theories are the alternative hypothesis you are trying to prove, and the null hypothesis is the statement ...

The alternative hypothesis proposes that there is a difference. Hypothesis testing provides a method to reject a null hypothesis within a certain confidence level. If you can reject the null ...

In Hypothesis Testing 1, 2 and 3, you have used normal and t-distributions to test hypotheses. Chi-Square tests use the Chi-Square probability distribution. You will be introduced to the use of that ...

Power analyses of a specific desired effect size may then be carried out before an experiment in which a null hypothesis ... are designed to test 4. Whether the alternative hypothesis is designed ...