Chi Square 3x2. The calculation takes three steps allowing you to see how the chi square statistic is calculated. Nonsmoker past smoker and current smoker.
A chi square test will also be performed on the data set providing that at least 80 of the cells have an expected frequency of 5 or greater and that no cell has an expected frequency smaller than 1 0. There were three answer choices. Chi square is a statistical test commonly used to compare observed data with data we would expect to obtain according to a specific hypothesis.
And the groups have different numbers.
Nonsmoker past smoker and current smoker. The calculation takes three steps allowing you to see how the chi square statistic is calculated. A chi square test of independence is used to determine whether or not there is a significant association between two categorical variables. Nonsmoker past smoker and current smoker.
