To maintain the integrity of your analysis, avoid these common mistakes:

We enter this data into GraphPad and perform the Chi-Square test. The results are:

✅ Total N > 20 (for 2x2 tables). ✅ Expected counts: All cells have expected frequency > 5. ✅ No Yates correction (unless required by a specific journal). ✅ P-value matches between Chi-Square and G-test (Likelihood ratio). ✅ GraphPad version is up-to-date (v8+ for best contingency table analysis).

A professional report must include the Chi-square statistic ( χ2chi squared ), degrees of freedom ( ), sample size ( ), and the

: Compares observed counts in several categories to a theoretical distribution (e.g., Mendelian ratios like 9:3:3:1).