{"id":1004,"date":"2023-07-28T01:01:14","date_gmt":"2023-07-28T01:01:14","guid":{"rendered":"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/"},"modified":"2023-07-28T01:01:14","modified_gmt":"2023-07-28T01:01:14","slug":"cara-mencari-z-alfa-2-za-2","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/","title":{"rendered":"Bagaimana menemukan z alpha\/2 (za\/2)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Setiap kali Anda menemukan istilah <strong>z <sub>\u03b1\/2<\/sub><\/strong> dalam statistik, istilah tersebut merujuk pada <strong>nilai kritis z<\/strong> dalam tabel z yang sesuai dengan \u03b1\/2.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan hal berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Cara mencari z <sub>\u03b1\/2<\/sub> menggunakan tabel az.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Cara mencari z <sub>\u03b1\/2<\/sub> menggunakan kalkulator.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai paling umum untuk z <sub>\u03b1\/2<\/sub> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Ayo pergi!<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara mencari z <sub>\u03b1\/2<\/sub> menggunakan tabel az<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin mencari z <sub>\u03b1\/2<\/sub> untuk pengujian yang menggunakan tingkat kepercayaan 90%.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dalam hal ini, \u03b1 akan menjadi 1 \u2013 0,9 = <strong>0,1<\/strong> . Jadi, \u03b1\/2 = 0,1\/2 = <strong>0,05<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk menemukan nilai z kritis yang sesuai, kita cukup mencari <strong>0,05<\/strong> di array az:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10393 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/za2.png\" alt=\"za\/2 pada tabel z\" width=\"619\" height=\"611\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa nilai pasti <strong>0,05<\/strong> tidak muncul di tabel, tetapi akan berada tepat di antara nilai <strong>.0505<\/strong> dan <strong>.0495<\/strong> . Nilai z kritis yang sesuai di luar tabel adalah <strong>-1.64<\/strong> dan <strong>-1.65<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan membagi selisihnya, kita melihat bahwa nilai kritis z adalah <strong>-1.645<\/strong> . Dan biasanya, saat kita menggunakan z <sub>\u03b1\/2,<\/sub> kita mengambil nilai absolutnya. Jadi, z <sub>0,01\/2<\/sub> = <strong>1,645<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara mencari z <sub>\u03b1\/2<\/sub> menggunakan kalkulator<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita juga dapat menggunakan<\/span> kalkulator nilai Z kritis <span style=\"color: #000000;\">untuk mencari z <sub>\u03b1\/2<\/sub> untuk beberapa pengujian.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, untuk beberapa pengujian yang menggunakan tingkat kepercayaan 90%, kita cukup memasukkan <strong>0,1<\/strong> sebagai tingkat signifikansi dan kalkulator akan secara otomatis mengembalikan nilai <strong>1,645<\/strong> sebagai nilai z kritis yang sesuai:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10394 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/za2_2.png\" alt=\"Kalkulator Nilai Z Kritis\" width=\"392\" height=\"310\" srcset=\"\" sizes=\"\"><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Nilai umum untuk z <sub>\u03b1\/2<\/sub><\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tabel berikut menampilkan nilai kritis paling umum untuk nilai \u03b1 yang berbeda:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10395 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/za2_3.png\" alt=\"Nilai umum za\/2\" width=\"206\" height=\"191\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Cara menafsirkan tabel ini adalah sebagai berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Untuk pengujian yang menggunakan tingkat kepercayaan 90% (misalnya \u03b1 = 0,1), nilai kritis z adalah <strong>1,645<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Untuk pengujian yang menggunakan tingkat kepercayaan 95% (misalnya \u03b1 = 0,05), nilai kritis z adalah <strong>1,96<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Untuk pengujian yang menggunakan tingkat kepercayaan 99% (misalnya \u03b1 = 0,01), nilai kritis z adalah <strong>5,576<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/cara-menggunakan-tabel-z\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cara Menggunakan Tabel Z (Dengan Contoh)<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/z-kalkulator-nilai-kritis-ti-84\/\" target=\"_blank\" rel=\"noopener noreferrer\">Cara Mencari Nilai Z Kritis pada Kalkulator TI-84<\/a><br \/><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Setiap kali Anda menemukan istilah z \u03b1\/2 dalam statistik, istilah tersebut merujuk pada nilai kritis z dalam tabel z yang sesuai dengan \u03b1\/2. Tutorial ini menjelaskan hal berikut: Cara mencari z \u03b1\/2 menggunakan tabel az. Cara mencari z \u03b1\/2 menggunakan kalkulator. Nilai paling umum untuk z \u03b1\/2 . Ayo pergi! Cara mencari z \u03b1\/2 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 menemukan Z Alpha\/2 (za\/2) \u2013 Statologi<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana istilah za\/2 dalam statistika, beserta contoh cara mencarinya.\" \/>\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\/cara-mencari-z-alfa-2-za-2\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menemukan Z Alpha\/2 (za\/2) \u2013 Statologi\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana istilah za\/2 dalam statistika, beserta contoh cara mencarinya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T01:01:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/za2.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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/\",\"url\":\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/\",\"name\":\"Cara menemukan Z Alpha\/2 (za\/2) \u2013 Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-28T01:01:14+00:00\",\"dateModified\":\"2023-07-28T01:01:14+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana istilah za\/2 dalam statistika, beserta contoh cara mencarinya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/cara-mencari-z-alfa-2-za-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bagaimana menemukan z alpha\/2 (za\/2)\"}]},{\"@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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