Used when you have two categorical variables (e.g., Treatment vs. Placebo and Healed vs. Not Healed) and want to see if they are related.
Chi-square tests must be performed on raw counts. Prism will give an error or incorrect results if you enter percentages or means. chi square graphpad verified
Mastering the Chi-Square Test in GraphPad Prism: A Complete Verified Guide Used when you have two categorical variables (e
GraphPad Prism evolves continuously. The examples in this article apply to Prism 6 and later. Users of older versions (≤5) cannot perform the goodness‑of‑fit chi‑square test; however, they can still use the free online QuickCalcs calculator. Newer versions (Prism 8, 9, 10, and 11) have improved logistic regression capabilities and more flexible data handling, but the core chi‑square functionality remains largely unchanged and reliable. Chi-square tests must be performed on raw counts
Even experienced users make mistakes. Here are the top 5 “graphpad verified” fails and fixes.