Common Hypotheses
H0 : the proportions in the actual outcome is the same as the proportions in the expected outcome
Ha : the proportions in the actual outcome is not the same as the proportions in the expected outcome
Assumptions
Samples are randomly selected or a randomized experiment.
Sampling with replacement (or sample size < 10% N)
All expected counts should be greater than 5
Sampling Distribution
𝜒2
TI Calculator: Stat -> Tests -> 𝜒2 GOF-Test...
SPSS: Analyze -> Nonparametric Tests -> Legacy Dialogs -> Chi-Square...
Add test variable to the Test Variable List
In the Expected Values section, select Values, then enter the expected values (in proportion, decimal form) in order
For Frequency Table
Do the following steps first
Data -> Weight Cases...