Contingency Table Chi-Square Test
Calculate the Pearson chi-square statistics, the expected frequency, the degree of freedom and approximate P values from the two-dimensional frequency table.
Contingency Table Chi-Square Test User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Compare whether there is a statistical correlation between the classification variables with the selection times of the three options for the selection of the three options.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Under independence, expected count = row total × column total / grand total. Sum (observed − expected)² / expected over all cells.
scope of use
2 to 10 rows, 0 to 1 million integers in a single grid; no YATES correction, the expected frequency is too small, and independence is not equal to cause and effect.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
2 to 10 rows, 0 to 1 million integers in a single grid; no YATES correction, the expected frequency is too small, and independence is not equal to cause and effect. Please compare the input unit, rounding method, applicable rules and data version first.