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Purpose of the chi squared test for independence/association
Used to determine if there is an association between two categorical variables in a single population
Ho
There is no relationship between two categorical variables of Interest they are independent
Ha
There is a relationship between two categorical variables of Interest they are dependent
Ass/condt
1. Data are in counts; are they?
2. Samples are independent; sample size is less than ten percent of the population size
3. Sample is large enough; counts are greater than or equal to 5
Procedure
Use the chi squared statistic to accept or reject Ho
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