The Chi-squared test is often used when you determine whether your data is statistically significant or not.
For example, if you plan to determine one factor(male/female) and another factor(democrats/republicans) are related, the Chi-squared test will be of your help.
* This data is an arbitrary sample for statistical study, not real data.
|χ2 < 3.84||p ≥ 0.05|
|3.84 ≤ χ2 < 6.64||p < 0.05|
|6.64 ≤ χ2||p < 0.01|