{"id":3428,"date":"2023-07-17T13:15:29","date_gmt":"2023-07-17T13:15:29","guid":{"rendered":"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/"},"modified":"2023-07-17T13:15:29","modified_gmt":"2023-07-17T13:15:29","slug":"sampel-uji-t-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/","title":{"rendered":"Cara melakukan uji t satu sampel di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/uji-sampel-t\/\" target=\"_blank\" rel=\"noopener noreferrer\">Uji-t satu sampel<\/a> digunakan untuk menentukan apakah rata-rata populasi sama dengan nilai tertentu atau tidak.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Anda dapat menggunakan sintaks dasar berikut di R untuk melakukan uji-t satu sampel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>t. <span style=\"color: #3366ff;\">test<\/span> (data, mu= <span style=\"color: #008000;\">10<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya.<\/span><\/p>\n<h2> <strong>Contoh: sampel uji T di R<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan seorang ahli botani ingin mengetahui apakah tinggi rata-rata suatu spesies tumbuhan tertentu sama dengan 15 inci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dia mengambil <a href=\"https:\/\/statorials.org\/id\/metode-pengambilan-sampel\/\" target=\"_blank\" rel=\"noopener\">sampel acak sederhana<\/a> dari 12 tanaman dan mencatat tinggi masing-masing tanaman dalam inci.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dia dapat menggunakan kode berikut untuk melakukan uji-t satu sampel di R untuk menentukan apakah tinggi rata-rata spesies tanaman ini sebenarnya 15 inci:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create vector to hold plant heights<\/span>\nmy_data &lt;- c(14, 14, 16, 13, 12, 17, 15, 14, 15, 13, 15, 14)\n\n<span style=\"color: #008080;\">#perform one sample t-test<\/span>\nt. <span style=\"color: #3366ff;\">test<\/span> (my_data, mu= <span style=\"color: #008000;\">15<\/span> )\n\n\tOne Sample t-test\n\ndata:my_data\nt = -1.6848, df = 11, p-value = 0.1201\nalternative hypothesis: true mean is not equal to 15\n95 percent confidence interval:\n 13.46244 15.20423\nsample estimates:\nmean of x \n 14.33333 \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Berikut cara menafsirkan setiap nilai dalam output:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>data<\/strong> : Nama vektor yang digunakan dalam uji-t. Dalam contoh ini kami menggunakan <strong>my_data<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>t<\/strong> : Statistik uji t, dihitung sebagai ( <span style=\"border-top: 1px solid black;\">x<\/span> \u2013 \u03bc) \/ (s\u221a <span style=\"border-top: 1px solid black;\">n<\/span> ) = (14.333-15)\/(1.370689\/\u221a <span style=\"border-top: 1px solid black;\">12<\/span> ) = <strong>-1.6848<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>df<\/strong> : Derajat kebebasan, dihitung sebagai n-1 = 12-1 = <strong>11<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>p-value<\/strong> : Nilai p dua sisi yang sesuai dengan statistik uji -1,6848 dan 11 derajat kebebasan. Dalam hal ini, p = <strong>0,1201<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Interval Keyakinan 95%<\/strong> : Interval kepercayaan 95% untuk rata-rata populasi sebenarnya, dihitung sebagai <strong>[13.46244, 15.20423]<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Hipotesis nol dan alternatif untuk uji t satu sampel ini adalah sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> :<\/strong> \u00b5 = 15 (rata-rata tinggi tanaman jenis ini adalah 15 inci)<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub> :<\/strong> \u00b5 \u226015 (tinggi rata-rata <em>bukan<\/em> 15 inci)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nilai p pengujian kami <strong>(0,1201)<\/strong> lebih besar dari 0,05, kami gagal menolak hipotesis nol pengujian tersebut.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ini berarti bahwa kita tidak memiliki cukup bukti untuk mengatakan bahwa tinggi rata-rata spesies tanaman tertentu berbeda dari 15 inci.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tes umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/dua-sampel-uji-t-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan uji T dua sampel di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/uji-t-sampel-berpasangan-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan uji-t sampel berpasangan di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/tes-welch-t-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana melakukan uji T Welch di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uji-t satu sampel digunakan untuk menentukan apakah rata-rata populasi sama dengan nilai tertentu atau tidak. Anda dapat menggunakan sintaks dasar berikut di R untuk melakukan uji-t satu sampel: t. test (data, mu= 10 ) Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya. Contoh: sampel uji T di R Misalkan seorang ahli botani ingin mengetahui [&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 melakukan uji-t satu sampel di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara melakukan uji-t satu sampel di R, termasuk contoh lengkapnya.\" \/>\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\/sampel-uji-t-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara melakukan uji-t satu sampel di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara melakukan uji-t satu sampel di R, termasuk contoh lengkapnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T13:15:29+00:00\" \/>\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\/sampel-uji-t-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/\",\"name\":\"Cara melakukan uji-t satu sampel di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-17T13:15:29+00:00\",\"dateModified\":\"2023-07-17T13:15:29+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara melakukan uji-t satu sampel di R, termasuk contoh lengkapnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/sampel-uji-t-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara melakukan uji t satu sampel di r\"}]},{\"@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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