{"id":1720,"date":"2021-03-03T08:37:16","date_gmt":"2021-03-03T08:37:16","guid":{"rendered":"https:\/\/quickpercentcalc.com\/tolfraedi\/medal-medaltal-reiknivel\/"},"modified":"2025-04-07T18:46:33","modified_gmt":"2025-04-07T18:46:33","slug":"medal-medaltal-reiknivel","status":"publish","type":"page","link":"https:\/\/quickpercentcalc.com\/is\/tolfraedi\/medal-medaltal-reiknivel\/","title":{"rendered":"Me\u00f0al (me\u00f0altal) reikniv\u00e9l"},"content":{"rendered":"\n<p>Reikna\u00f0u me\u00f0altali\u00f0. Reikniv\u00e9lin okkar finnur me\u00f0altali\u00f0 fyrir \u00feig.<\/p>\n\n<h2 class=\"wp-block-heading\">Hvernig \u00e1 a\u00f0 reikna me\u00f0altal<\/h2>\n\n<p>Me\u00f0altali\u00f0 er h\u00e6gt a\u00f0 reikna \u00fat einfaldlega me\u00f0 \u00fev\u00ed a\u00f0 leggja saman t\u00f6lurnar \u00e1 listanum og deila s\u00ed\u00f0an me\u00f0 fj\u00f6lda gilda. \u00deetta er me\u00f0altali\u00f0, einnig \u00feekkt sem venjulegt me\u00f0altal, og er t\u00e1kna\u00f0 me\u00f0 t\u00e1kninu \\(\\bar{x} \\).<\/p>\n\n<p>Me\u00f0altali\u00f0 getur oft veri\u00f0 fyrir \u00e1hrifum fr\u00e1 \u00fatvikum og \u00ed sl\u00edkum tilvikum g\u00e6ti <a href=\"https:\/\/quickpercentcalc.com\/statistics\/median\/\">mi\u00f0gildi\u00f0<\/a> veri\u00f0 \u00e1kj\u00f3sanlegur m\u00e6likvar\u00f0i.<\/p>\n\n<p>Til a\u00f0 nota \u00feessa reikniv\u00e9l skaltu a\u00f0greina hverja t\u00f6lu me\u00f0 bili (d\u00e6mi: 2 5 4 osfrv.). Fyrir aukastafi getur\u00f0u nota\u00f0 anna\u00f0 hvort kommu e\u00f0a punkt. Ekki nota \u00fe\u00fasund skilgreinar e\u00f0a stafi.<\/p>\n\n<h2 class=\"wp-block-heading\">Me\u00f0alform\u00fala<\/h2>\n\n<p>Form\u00fala fyrir me\u00f0altal \u00fear sem n er fj\u00f6ldi gilda:<\/p>\n\n<style> .frac { display: inline-block; position: relative; vertical-align: middle; letter-spacing: 0.001em; text-align: center; } .frac > span { display: block; padding: 0.1em; } .frac span.bottom { border-top: thin solid black; } .frac span.symbol { display: none; } <\/style> <div class=\"formel\">  $$\\frac{x_1+x_2+x_3+\\ldots+x_n}{n} $$  <\/div> <br\/><br\/>\n\n<script src=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.5.1\/jquery.min.js\"><\/script> <script> $(function () { $(\"#regnut\").click(function () { var str = $(\"#tall\").val(); var res = Array.from(str.split(\/[ ]+\/)); for (var i = 0; i < res.length; i++) { res[i] = res[i].replace(\",\", \".\"); res[i] = parseFloat(res[i]); } var total = 0; for (var i = 0; i < res.length; i++) { total += res[i]; } var gjsnitt = total \/ res.length; if (gjsnitt % 1 !== 0) { gjsnitt = gjsnitt.toFixed(4); } else { gjsnitt = gjsnitt.toFixed(); } gjsnitt = gjsnitt.toString(); gjsnitt = gjsnitt.replace(\".\", \",\"); $(\"#resultat\").html(gjsnitt); $(\"#resultatBoks\").css({ \"visibility\": \"initial\" }); }); }); <\/script>\n<label for=\"tall\">N\u00fameralisti (nota\u00f0u bil til a\u00f0 a\u00f0greina t\u00f6lur)<\/label><br\/>\n<textarea type=\"text\" id=\"tall\"><\/textarea>\n<br\/><br\/> <br\/><br\/>\n<input type=\"button\" id=\"regnut\" value=\"Reikna\u00f0u\"\/> <br\/><br\/> <div id=\"resultatBoks\" style=\"visibility: hidden;\"> <span>Ni\u00f0ursta\u00f0a:<\/span><br\/> <span id=\"resultat\" class=\"kalkyleResultat\"><\/span> <\/div>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reikna\u00f0u me\u00f0altali\u00f0. Reikniv\u00e9lin okkar finnur me\u00f0altali\u00f0 fyrir \u00feig. Hvernig \u00e1 a\u00f0 reikna me\u00f0altal Me\u00f0altali\u00f0 er h\u00e6gt a\u00f0 reikna \u00fat einfaldlega [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1706,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"kalkulator-side.php","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1720","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Me\u00f0altal reikniv\u00e9l - Finndu me\u00f0al - Quick Percent Calculator<\/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:\/\/quickpercentcalc.com\/is\/tolfraedi\/medal-medaltal-reiknivel\/\" \/>\n<meta property=\"og:locale\" content=\"is_IS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Me\u00f0altal reikniv\u00e9l - Finndu me\u00f0al - Quick Percent Calculator\" \/>\n<meta property=\"og:description\" content=\"Reikna\u00f0u me\u00f0altali\u00f0. 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