If you have your degree of freedom of 1, you need to use this correction. Click on the tutorial on how to do so.

Class document that has EVERYTHING Chi-Squared!

This is a tutorial on how to calculate expected values and the chi-squared statistic.

This is a tutorial on how to run the entire chi-squared test.

This is a tutorial on how to run the Chi-Squared Test in the calculator and explanation of the p-value.