Chi Square Test Statistic Example. Here are a few examples. We want to know if gender is associated with political party preference so we survey 500 voters and record their gender and political party preference.
Here are a few examples. One is used to determine significant relationship between two qualitative variables the second is used to determine if the sample data has a particular distribution and the last is used to determine significant relationships between means of 3 or more samples. We presented a test using a test statistic z to test whether an observed sample proportion differed significantly from a historical or external comparator.
We presented a test using a test statistic z to test whether an observed sample proportion differed significantly from a historical or external comparator.
We had four categories so four minus one is three. If you know the value of one variable it does not help you. An example research question that could be answered using a chi square analysis would be. For red we have 50 100 2 100 25.
