{"id":4532,"date":"2026-08-10T16:45:40","date_gmt":"2026-08-10T14:45:40","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4532"},"modified":"2026-08-10T17:02:09","modified_gmt":"2026-08-10T15:02:09","slug":"linearita","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/linearite\/","title":{"rendered":"Linearit\u00e0"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Uno strumento pu\u00f2 essere preciso al centro del proprio intervallo e impreciso agli estremi. Lo studio della linearit\u00e0 misura&nbsp;<strong>diversi prodotti con valori reali diversi<\/strong>, distribuite su tutto l'intervallo di utilizzo, ed esamina l'andamento dell'errore.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inserire il\u00a0<strong>numero di prodotti<\/strong>, il numero di\u00a0<strong>valori per prodotto<\/strong>, e per ogni prodotto il suo valore reale e le relative misure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"548\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite1.png\" alt=\"\" class=\"wp-image-4533\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite1.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite1-300x171.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite1-768x437.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite1-18x10.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">I risultati forniscono due cifre, ciascuna con la propria significativit\u00e0:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"278\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite2.png\" alt=\"\" class=\"wp-image-4534\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite2.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite2-300x87.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite2-768x221.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite2-18x5.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>La pendenza<\/strong>&nbsp;: l'errore aumenta con il valore misurato? Una pendenza significativa indica una mancanza di linearit\u00e0: lo strumento \u00e8 preciso in questo caso e impreciso in quell'altro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u21d2&nbsp;<strong>La precisione<\/strong>&nbsp;: l'errore medio, indipendente dal valore. Si tratta di uno scostamento costante, correggibile tramite taratura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La significativit\u00e0 segue la consueta scala di Ellistat:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>valore p<\/strong><\/td><td><strong>Conclusione<\/strong><\/td><\/tr><\/thead><tbody><tr><td>p &gt; 0,1<\/td><td>Non significativo<\/td><\/tr><tr><td>0,05 &lt; p \u2264 0,1<\/td><td>Limite significativo<\/td><\/tr><tr><td>0,01 &lt; p \u2264 0,05<\/td><td>Significativo<\/td><\/tr><tr><td>p \u2264 0,01<\/td><td>Molto significativo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La percentuale di&nbsp;<strong>linearit\u00e0<\/strong>&nbsp;\u00e8 inoltre correlato alla tolleranza e alla variazione totale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Una pendenza non significativa e una precisione significativa: questo \u00e8 il caso favorevole; \u00e8 sufficiente una semplice calibrazione. Il caso opposto \u2014 pendenza significativa \u2014 richiede di limitare l'intervallo di utilizzo o di cambiare strumento.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un grafico illustra i risultati precedenti<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"454\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite3.png\" alt=\"\" class=\"wp-image-4535\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/linearite3.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite3-300x141.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite3-768x362.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/linearite3-18x8.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>","protected":false},"featured_media":0,"menu_order":70,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[20],"class_list":["post-4532","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-2-gage-r-r"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lin\u00e9arit\u00e9 - Ellistat<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/it\/guida-per-lutente\/linearita\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lin\u00e9arit\u00e9 - Ellistat\" \/>\n<meta property=\"og:description\" content=\"Un instrument peut \u00eatre juste au milieu de sa plage et faux aux extr\u00eames. 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