Amawal · tanarit
Azal p
Taprubabilit n wannar n yiwen umeẓlay ameqqran am win yettwaẓren neɣ ugar ma yella uḍebsi imsawi.
Deg usatal
p = 0,05 yebɣa ad yini aḍebsi imsawi ad d-yefk talɣa-a yiwet n tikkelt seg ɛecrin. Mačči d taprubabilittusnaktTaprubabilitAzal n yiwen ugmuḍ ad d-yeḍru, seg 0 ɣer 1 neɣ seg 0% ɣer 100%. Yiwen wuṭṭun: 1/37 = 2,70%.Ɣer akk → dakken aḍebsi s umyal.
Tessnem
Walit ɛecrin n yiḍebsiyen imsawiyen, yiwen deg-sen ad d-yesskan p < 0,05. D ayɣer yiwen ugmuḍ adaddan d sebba n ujmaɛ n yisefka nniḍen, mačči n urahen.