Chi-Square Test
Test independence between categorical variables using the Chi-Square test
Contingency Table (Observed Frequencies)
Observed Values (comma-separated)
Expected Values (or leave blank for equal)
Results
χ² = 3.27
p = 0.0708
Not significant at α = 0.05
3.27
1
0.0708
About: The Chi-Square test determines whether there's a significant association between categorical variables. The 2×2 table mode tests independence between two binary variables. The goodness of fit mode tests whether observed frequencies match expected frequencies.
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About This Calculator & Guide
About the Chi-Square Test— Statistics Calculator
The Chi-Square Test— Statistics Calculator is a specialized online utility designed to help you perform a chi-square test for independence or goodness of fit. free online statistics calculator. It performs calculations in real-time to provide immediate, reliable estimates for study, work, or daily tasks.
How to Use
Simply enter your parameters in the input fields of the calculator widget above. The tool evaluates the inputs instantly and displays the results in real-time. You can modify any value to check alternate scenarios and compare figures dynamically.
Data Privacy & Safety
All calculations are executed locally within your web browser. No inputs are sent to our servers or stored externally, ensuring your personal and financial details remain completely private and secure.
FAQ
Frequently Asked Questions
What does the Chi-Square Test Calculator — Statistics do?+
Perform a Chi-Square test for independence or goodness of fit. Free online statistics calculator. It is designed for quick everyday use and gives clear results without requiring a sign in.
Is the Chi-Square Test Calculator — Statistics free to use?+
Yes. The Chi-Square Test Calculator — Statistics is free to use online and works directly in your browser.
Can I use the Chi-Square Test Calculator — Statistics on mobile?+
Yes. The calculator layout is responsive, so you can use it on phones, tablets, laptops, and desktop screens.