{"id":"W1978696365","doi":"10.4236/ojs.2011.13018","title":"Revisit the Two Sample t-Test with a Known Ratio of Variances","year":2011,"lang":"en","type":"article","venue":"Open Journal of Statistics","topic":"Advanced Statistical Methods and Models","field":"Mathematics","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"","keywords":"Statistics; Mathematics; Likelihood-ratio test; Inference; Sample size determination; Sample (material); Levene's test; Computer science; Artificial intelligence","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001115794,0.0001270041,0.0004439317,0.00003014659,0.0000975251,0.00005081192,0.0005375646,0.00002261014,0.0004300857],"category_scores_gemma":[0.003842032,0.00006883062,0.0000332179,0.0001178973,0.0001688609,0.0002018464,0.00008593231,0.0002064208,0.000001914631],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001680905,"about_ca_system_score_gemma":0.0001504327,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005288293,"about_ca_topic_score_gemma":0.00004318166,"domain_scores_codex":[0.998625,0.0001573778,0.000666141,0.0001028091,0.0002885657,0.0001600819],"domain_scores_gemma":[0.9932221,0.004946509,0.0009189828,0.0002468952,0.0005722868,0.0000932738],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0001864554,0.0001798536,0.0002440074,0.00007151157,0.00008457901,0.00004659603,0.001156582,0.00002317858,0.00008627374,0.9682637,0.001906678,0.02775051],"study_design_scores_gemma":[0.0008345544,0.0008823376,0.0003200198,0.0002332747,0.0002055948,0.00009211709,0.0003221183,0.0006733037,0.0005137012,0.9940898,0.00171101,0.0001221011],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.0002174274,0.00006464651,0.9953352,0.00006583629,0.00007086407,0.0002281745,0.0003863536,0.000002450609,0.003629049],"genre_scores_gemma":[0.0341962,0.00007821483,0.9653979,0.00005408351,0.00005744724,0.000003903408,0.000001519447,0.00001949942,0.0001912475],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.03397877,"threshold_uncertainty_score":0.4709137,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2083267799212133,"score_gpt":0.4359756614557054,"score_spread":0.2276488815344921,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}