{"id":3163,"date":"2023-07-18T21:59:03","date_gmt":"2023-07-18T21:59:03","guid":{"rendered":"https:\/\/statorials.org\/id\/deviasi-standar-nol\/"},"modified":"2023-07-18T21:59:03","modified_gmt":"2023-07-18T21:59:03","slug":"deviasi-standar-nol","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/deviasi-standar-nol\/","title":{"rendered":"Bagaimana menafsirkan standar deviasi nol"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Dalam statistik, <strong>standar deviasi<\/strong> digunakan untuk mengukur distribusi nilai dalam suatu sampel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan rumus berikut untuk menghitung deviasi standar sampel tertentu:<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u221a <span style=\"border-top: 1px solid black;\">\u03a3( <sub>xi<\/sub> \u2013 x <sub>batang<\/sub> ) <sup>2<\/sup> \/ (n-1)<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u03a3:<\/strong> Simbol yang berarti \u201cjumlah\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x <sub>i<\/sub> :<\/strong> nilai <sup>ke-i<\/sup> dari sampel<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x <sub>bar<\/sub> :<\/strong> Arti sampel<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>n:<\/strong> Ukuran sampel<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Semakin tinggi nilai standar deviasi, maka semakin tersebar nilai-nilai tersebut dalam suatu <a href=\"https:\/\/statorials.org\/id\/populasi-vs.-sampel\/\" target=\"_blank\" rel=\"noopener\">sampel<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Semakin rendah nilai standar deviasi, semakin erat pengelompokan nilai-nilai tersebut.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Jika simpangan baku suatu sampel adalah nol, berarti semua nilai dalam sampel tersebut sama persis.<\/span><\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan kata lain, tidak ada kesenjangan antar nilai.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Contoh berikut menunjukkan bagaimana menafsirkan standar deviasi nol dalam praktiknya.<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Bagaimana menafsirkan standar deviasi nol<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita mengumpulkan <a href=\"https:\/\/statorials.org\/id\/metode-pengambilan-sampel\/\" target=\"_blank\" rel=\"noopener\">sampel acak sederhana<\/a> yang terdiri dari 10 kadal dan mengukur panjangnya (dalam inci):<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Panjang<\/strong> : 7, 7, 7, 7, 7, 7, 7, 7, 7, 7<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rata-rata panjang kadal dalam sampel adalah 7 inci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mengetahui hal ini, kita dapat menghitung standar deviasi sampel untuk kumpulan data ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">s = \u221a <span style=\"border-top: 1px solid black;\">\u03a3( <sub>xi<\/sub> \u2013 x <sub>batang<\/sub> ) <sup>2<\/sup> \/ (n-1)<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">s = <span style=\"border-top: 1px solid black;\">\u221a ((7 \u2013 7) <sup>2<\/sup> + (7 \u2013 7) <sup>2<\/sup> + (7 \u2013 7) <sup>2<\/sup> + \u2026 + (7 \u2013 7) <sup>2<\/sup> \/ (10-1)<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">s = \u221a <span style=\"border-top: 1px solid black;\">0 <sup>2<\/sup> + 0 <sup>2<\/sup> + 0 <sup>2<\/sup> + \u2026 + 0 <sup>2<\/sup> \/ 9<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">s = <strong>0<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Deviasi standar sampel ternyata <strong>0<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Karena setiap kadal memiliki panjang yang sama persis, distribusi nilai dalam kumpulan data sama persis dengan nol.<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Akankah standar deviasi menjadi nol di dunia nyata?<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Sangat mungkin kumpulan data dunia nyata memiliki standar deviasi nol, tetapi hal ini jarang terjadi.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Skenario yang paling mungkin di mana Anda mungkin menghadapi deviasi standar nol adalah saat mengumpulkan sampel kecil untuk kejadian langka.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, Anda mengumpulkan data jumlah kecelakaan di jalan raya selama periode satu minggu di kota tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sangat mungkin Anda mengumpulkan data berikut:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-26867 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sd0.jpg\" alt=\"\" width=\"185\" height=\"242\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Dalam skenario ini, jumlah rata-rata kecelakaan harian akan menjadi nol dan standar deviasinya juga akan menjadi nol.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Atau mungkin Anda mengumpulkan data berikut tentang jumlah penjualan bulanan suatu produk mahal untuk sebuah bisnis selama periode 6 bulan:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-26868 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sd0_1.jpg\" alt=\"\" width=\"182\" height=\"216\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Karena mahalnya produk tersebut, ternyata perusahaan hanya menjual tepat dua buah dalam sebulan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dalam skenario ini, jumlah rata-rata produk bulanan yang terjual adalah dua dan standar deviasi produk bulanan yang terjual adalah nol.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Setiap kali Anda menemukan deviasi standar nol dalam kumpulan data nyata, ketahuilah bahwa itu berarti setiap nilai dalam kumpulan data tersebut sama persis.<\/strong><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut memberikan informasi tambahan tentang deviasi standar dalam statistik:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/mengapa-standar-deviasi-itu-penting\/\" target=\"_blank\" rel=\"noopener\">Mengapa deviasi standar penting?<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/deviasi-standar-vs-kesalahan-standar\/\" target=\"_blank\" rel=\"noopener\">Standar deviasi dan kesalahan standar: apa bedanya?<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/rentang-interkuartil-vs-deviasi-standar\/\" target=\"_blank\" rel=\"noopener\">Deviasi standar dan rentang interkuartil: apa bedanya?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dalam statistik, standar deviasi digunakan untuk mengukur distribusi nilai dalam suatu sampel. Kita dapat menggunakan rumus berikut untuk menghitung deviasi standar sampel tertentu: \u221a \u03a3( xi \u2013 x batang ) 2 \/ (n-1) Emas: \u03a3: Simbol yang berarti \u201cjumlah\u201d x i : nilai ke-i dari sampel x bar : Arti sampel n: Ukuran sampel Semakin [&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>Bagaimana menafsirkan standar deviasi nol - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menafsirkan standar deviasi 1, dengan beberapa contoh.\" \/>\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-nol\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bagaimana menafsirkan standar deviasi nol - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menafsirkan standar deviasi 1, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/deviasi-standar-nol\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-18T21:59:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sd0.jpg\" \/>\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-nol\/\",\"url\":\"https:\/\/statorials.org\/id\/deviasi-standar-nol\/\",\"name\":\"Bagaimana menafsirkan standar deviasi nol - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-18T21:59:03+00:00\",\"dateModified\":\"2023-07-18T21:59:03+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menafsirkan standar deviasi 1, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/deviasi-standar-nol\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/deviasi-standar-nol\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/deviasi-standar-nol\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bagaimana menafsirkan standar deviasi nol\"}]},{\"@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. 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