Chi-Squared Test for Independence | IB Math AI SL | May 2025 Paper 1 TZ2 Q4

4.a) Stating null and alternative hypotheses (SL 4.11) 4.b) Finding degrees of freedom (SL 4.11) 4.c) Calculating p-value (SL 4.11) 4.d.i) Conclusion at 1% significance level (SL 4.11) 4.d.ii) Conclusion at 5% significance level (SL 4.11) 4.e) Identifying significance level used (SL 4.11)