# Verification checks (P4)

• Clean re-run of analysis.py reproduced results.json byte-identically: PASS
• lstsq cross-check of closed-form OLS slope on replication 0 (assert in script): PASS
• bias_mc == rho_hat_mean - 0.8: PASS
• bias_mc_se == sd/sqrt(R): PASS
• bias_analytical == -(1+2.4)/30: PASS
• se_asymptotic == sqrt(0.36/30): PASS
• discrepancy identity: PASS
• SEs positive: PASS
• CI contains estimate: PASS
• n_analysed + excluded == R: PASS
• bias sign negative & same order as analytical: PASS