{"id":4644,"date":"2026-08-12T15:47:52","date_gmt":"2026-08-12T13:47:52","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4644"},"modified":"2026-08-12T15:47:52","modified_gmt":"2026-08-12T13:47:52","slug":"allegato-definizioni-2","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/annexe-definitions-2\/","title":{"rendered":"Allegato: definizioni"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li><strong>Dispersione a breve termine<\/strong>\u00a0: variabilit\u00e0 all\u2019interno dei campioni, escluse le deviazioni. Ci\u00f2 di cui il processo \u00e8 capace in quel momento.<\/li>\n\n\n\n<li>\u00a0<strong>Dispersione globale<\/strong>\u00a0: tutta la variabilit\u00e0 osservata, comprese le derive.<\/li>\n\n\n\n<li><strong>Cp, Cpk<\/strong>\u00a0: capacit\u00e0 calcolate nel breve termine \u2014 potenziale.\u00a0<strong>Cpk<\/strong>\u00a0tiene conto del centraggio.<\/li>\n\n\n\n<li><strong>Pp, Ppk<\/strong>\u00a0: prestazioni calcolate sulla base della dispersione complessiva \u2014 risultati effettivi.<\/li>\n\n\n\n<li><strong>Conformit\u00e0 alla legge<\/strong>\u00a0: qualit\u00e0 dell'adattamento tra i dati e la distribuzione scelta. Determina la validit\u00e0 di tutto ci\u00f2 che ne deriva.<\/li>\n\n\n\n<li><strong>La destra di Henry<\/strong>\u00a0: rappresentazione in cui una popolazione che segue la legge stimata si allinea su una retta.<\/li>\n\n\n\n<li><strong>EWMA<\/strong>\u00a0: media mobile con ponderazione esponenziale, sensibile alle lievi deviazioni di lungo periodo.<\/li>\n\n\n\n<li><strong>Sovradispersione<\/strong>\u00a0: variabilit\u00e0 superiore a quella prevista dalla legge binomiale o di Poisson, tipica dei grandi lotti. \u00c8 alla base delle carte di Laney.<\/li>\n\n\n\n<li><strong>Fase I<\/strong>\u00a0: periodo di riferimento utilizzato per stabilire i limiti di controllo.<\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":110,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[22],"class_list":["post-4644","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-4-statistiques-descriptives"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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