: For 2x2 tables, if any expected value is less than 5, GraphPad recommends using Fisher's Exact Test instead of chi-square for better accuracy.
If you want to "verify" the GraphPad output manually to prove it is correct, you can do so for a 2x2 table using the simplified Chi-Square formula: chi square graphpad verified
Under "Categorical outcomes," select . In the Parameters dialog: Method: Choose the Chi-square test . : For 2x2 tables, if any expected value
GraphPad Result Verification: If you enter these numbers into Prism, the software will return $\chi^2 \approx 9.416$, verifying the calculation. : For 2x2 tables
Before running the test, verify three assumptions: