{"id":2087,"date":"2023-07-23T18:30:04","date_gmt":"2023-07-23T18:30:04","guid":{"rendered":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/"},"modified":"2023-07-23T18:30:04","modified_gmt":"2023-07-23T18:30:04","slug":"deviasi-standar-rata-rata","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/","title":{"rendered":"Cara mencari mean dari beberapa deviasi standar"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Terkadang Anda mungkin ingin mencari rata-rata dari dua atau lebih standar deviasi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk melakukannya, Anda bisa menggunakan salah satu dari dua rumus berikut, bergantung pada data Anda:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Ukuran sampel yang sama<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika Anda ingin mencari simpangan baku rata-rata di antara <em>k<\/em> kelompok dan setiap kelompok memiliki jumlah sampel yang sama, Anda dapat menggunakan rumus berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rata-rata SD = \u221a <span style=\"border-top: 1px solid black;\">(s <sub>1<\/sub> <sup>2<\/sup> + s <sub>2<\/sub> <sup>2<\/sup> + \u2026 + s <sub>k<\/sub> <sup>2<\/sup> ) \/ k<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong><sub>sk<\/sub> :<\/strong> Simpangan baku kelompok <sup>ke-k<\/sup><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>k<\/strong> : Jumlah total grup<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Ukuran sampel tidak sama<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika Anda ingin mencari simpangan baku rata-rata di antara <em>k<\/em> kelompok dan setiap kelompok tidak memiliki jumlah sampel yang sama, Anda dapat menggunakan rumus berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"border-top: 1px solid black;\">Rata-rata SD = \u221a ((n <sub>1<\/sub> -1)s <sub>1<\/sub> <sup>2<\/sup> + (n <sub>2<\/sub> -1)s <sub>2<\/sub> <sup>2<\/sup> + \u2026 + (n <sub>k<\/sub> -1)s <sub>k<\/sub> <sup>2<\/sup> ) \/ (n <sub>1<\/sub> +n <sub>2<\/sub> + \u2026 + n <sub>k<\/sub> \u2013 J)<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>n <sub>k<\/sub> :<\/strong> Ukuran sampel untuk kelompok ke <sup>&#8211;<\/sup> k<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong><sub>sk<\/sub> :<\/strong> Simpangan baku kelompok <sup>ke-k<\/sup><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>k<\/strong> : Jumlah total grup<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan setiap rumus dalam praktik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 1: Menghitung Rata-Rata Deviasi Standar untuk Ukuran Sampel yang Sama<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin menghitung rata-rata deviasi standar penjualan selama enam periode penjualan berikut:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19413 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenne_sd1.png\" alt=\"\" width=\"329\" height=\"202\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Anggaplah kita melakukan jumlah transaksi penjualan yang sama pada setiap periode penjualan. Kita dapat menggunakan rumus berikut untuk menghitung rata-rata deviasi standar penjualan per periode:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Simpangan baku rata-rata = \u221a <span style=\"border-top: 1px solid black;\">(s <sub>1<\/sub> <sup>2<\/sup> + s <sub>2<\/sub> <sup>2<\/sup> + \u2026 + s <sub>k<\/sub> <sup>2<\/sup> ) \/ k<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">Simpangan baku rata-rata = \u221a <span style=\"border-top: 1px solid black;\">(12 <sup>2<\/sup> + 11 <sup>2<\/sup> + 8 <sup>2<\/sup> + 8 <sup>2<\/sup> + 6 <sup>2<\/sup> + 14 <sup>2<\/sup> ) \/ 6<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">Deviasi standar rata-rata = 10,21<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Rata-rata simpangan baku penjualan per periode adalah <strong>10,21<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 2: Rata-rata Deviasi Standar untuk Ukuran Sampel yang Tidak Sama<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin menghitung rata-rata deviasi standar penjualan selama enam periode penjualan berikut:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19414 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenne_sd2.png\" alt=\"\" width=\"423\" height=\"215\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Karena ukuran sampel (total transaksi) tidak sama di setiap periode penjualan, kami akan menggunakan rumus berikut untuk menghitung rata-rata deviasi standar penjualan per periode:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><span style=\"border-top: 1px solid black;\">Rata-rata SD = \u221a ((n <sub>1<\/sub> -1)s <sub>1<\/sub> <sup>2<\/sup> + (n <sub>2<\/sub> -1)s <sub>2<\/sub> <sup>2<\/sup> + \u2026 + (n <sub>k<\/sub> -1)s <sub>k<\/sub> <sup>2<\/sup> ) \/ (n <sub>1<\/sub> +n <sub>2<\/sub> + \u2026 + n <sub>k<\/sub> \u2013 J)<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\"><span style=\"border-top: 1px solid black;\">Rata-rata SD = \u221a ((21)12 <sup>2<\/sup> + (16)11 <sup>2<\/sup> + (14)8 <sup>2<\/sup> + (18)8 <sup>2<\/sup> + (19)6 <sup>2<\/sup> + (18)14 <sup>2<\/sup> ) \/ 106<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">Berarti SD = 10,29<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Rata-rata standar deviasi penjualan per periode adalah <strong>10,29<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa deviasi standar rata-rata pada kedua contoh tersebut cukup mirip. Hal ini karena ukuran sampel (total transaksi) pada contoh kedua cukup dekat satu sama lain.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kedua metode penghitungan deviasi standar rata-rata hanya berbeda secara signifikan ketika ukuran sampel berbeda secara signifikan antar kelompok.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Terkadang Anda mungkin ingin mencari rata-rata dari dua atau lebih standar deviasi. Untuk melakukannya, Anda bisa menggunakan salah satu dari dua rumus berikut, bergantung pada data Anda: Metode 1: Ukuran sampel yang sama Jika Anda ingin mencari simpangan baku rata-rata di antara k kelompok dan setiap kelompok memiliki jumlah sampel yang sama, Anda dapat menggunakan [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T18:30:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenne_sd1.png\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/\",\"url\":\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/\",\"name\":\"Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-23T18:30:04+00:00\",\"dateModified\":\"2023-07-23T18:30:04+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara mencari mean dari beberapa deviasi standar\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya\",\"sameAs\":[\"http:\/\/statorials.org\/id\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi","description":"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/","og_locale":"id_ID","og_type":"article","og_title":"Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi","og_description":"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.","og_url":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/","og_site_name":"Statorials","article_published_time":"2023-07-23T18:30:04+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenne_sd1.png"}],"author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Ditulis oleh":"Benjamin anderson","Estimasi waktu membaca":"2 menit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/","url":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/","name":"Cara Mencari Rata-rata Beberapa Deviasi Standar - Statologi","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-23T18:30:04+00:00","dateModified":"2023-07-23T18:30:04+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Tutorial ini menjelaskan cara mencari mean dari beberapa deviasi standar, beserta contohnya.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/deviasi-standar-rata-rata\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara mencari mean dari beberapa deviasi standar"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/id\/#website","url":"https:\/\/statorials.org\/id\/","name":"Statorials","description":"Panduan anda untuk kompetensi statistik!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/id\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"id"},{"@type":"Person","@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81","name":"Benjamin anderson","image":{"@type":"ImageObject","inLanguage":"id","@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/","url":"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Benjamin anderson"},"description":"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya","sameAs":["http:\/\/statorials.org\/id"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/2087"}],"collection":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/comments?post=2087"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/2087\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=2087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=2087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=2087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}