WEEK 3 PRACTICE WORKSHEET
Step 2: Specify the Alternative Hypothesis
The alternative hypothesis (H
) is the
statement that there is an effect or difference. This is usually the hypothesis the
researcher is interested in proving.
Set the Significance Level: The significance level (denoted by the Greek letter alpha
— a) is generally set at 0.05. This means that there is a 5% chance that you will
accept your alternative hypothesis when your null hypothesis is actually true.
Calculate the Test Statistic and Corresponding P-Value: Hypothesis testing generally
uses a test statistic that compares groups. When describing a single sample without
establishing relationships between variables, a confidence interval is commonly used.
and the p-value describes the probability of obtaining a sample statistic