Chi Square Graphpad -

| Statistic | Value | Interpretation | | :--- | :--- | :--- | | (e.g., 7.86) | Calculated test statistic. | Larger values indicate greater deviation from independence. | | df (Degrees of freedom) | (Rows - 1) x (Columns - 1). For 2x3 table, df = 2. | Used to determine the p-value. | | P value (two-tailed) | e.g., 0.005 | P < 0.05: Reject null hypothesis (variables are associated). P > 0.05: No significant association. |

In the parameters dialog, you must define what the "expected" values are. chi square graphpad

Pro tip: Double-click the graph and add or percentages as labels for clarity. | Statistic | Value | Interpretation | |

For $2 \times 2$ tables, some statisticians prefer Yates' continuity correction. Prism offers this as an option in the parameters window (" Yates' correction (recommended)"). In modern statistics, Fisher’s Exact Test is generally preferred over Yates' correction for small samples, so sticking with the default or Fisher's is usually best. For 2x3 table, df = 2