{"id":623,"date":"2017-09-28T06:03:23","date_gmt":"2017-09-28T06:03:23","guid":{"rendered":"http:\/\/jsr.isrt.ac.bd\/?post_type=article&#038;p=623"},"modified":"2017-09-28T06:03:59","modified_gmt":"2017-09-28T06:03:59","slug":"new-alternative-testing-homogeneity-variances","status":"publish","type":"article","link":"http:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/","title":{"rendered":"A new alternative in testing for homogeneity of variances"},"content":{"rendered":"<p>A new alternative procedure is proposed for testing the hypothesis that the variances<br \/>\nof k independent groups are equal under non-normality. Extensive simulations<br \/>\nindicated that the new procedure always gave the experimenter more<br \/>\ncontrol over the probability of a Type I error than do the Bartlett <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/jsr.isrt.ac.bd\/wp-content\/ql-cache\/quicklatex.com-768c9398fccb5cfa18d11ff6c6f098e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#104;&#105;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"18\" style=\"vertical-align: -4px;\"\/><br \/>\nand Levene\u2019s tests. The same statement was true for unequal sample sizes. Overall, the<br \/>\nnew procedure was more powerful than the other procedures tested, especially<br \/>\nwhen the variance ratios were high.<\/p>\n<p><a href=\"http:\/\/jsr.isrt.ac.bd\/wp-content\/uploads\/40n2_7.pdf\">Fulltext<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new alternative procedure is proposed for testing the hypothesis that the variances of k independent groups are equal under non-normality. Extensive simulations indicated that the new procedure always gave the experimenter more control over the probability of a Type I error than do the Bartlett and Levene\u2019s tests. The same statement was true for [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"issuem_issue":[19],"issuem_issue_categories":[],"issuem_issue_tags":[],"class_list":["post-623","article","type-article","status-publish","format-standard","hentry","issuem_issue-v40n2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A new alternative in testing for homogeneity of variances - JSR<\/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:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A new alternative in testing for homogeneity of variances - JSR\" \/>\n<meta property=\"og:description\" content=\"A new alternative procedure is proposed for testing the hypothesis that the variances of k independent groups are equal under non-normality. Extensive simulations indicated that the new procedure always gave the experimenter more control over the probability of a Type I error than do the Bartlett and Levene\u2019s tests. The same statement was true for [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/\" \/>\n<meta property=\"og:site_name\" content=\"JSR\" \/>\n<meta property=\"article:modified_time\" content=\"2017-09-28T06:03:59+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/\",\"url\":\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/\",\"name\":\"A new alternative in testing for homogeneity of variances - JSR\",\"isPartOf\":{\"@id\":\"https:\/\/jsr.isrt.ac.bd\/#website\"},\"datePublished\":\"2017-09-28T06:03:23+00:00\",\"dateModified\":\"2017-09-28T06:03:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/jsr.isrt.ac.bd\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Articles\",\"item\":\"https:\/\/jsr.isrt.ac.bd\/article\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"A new alternative in testing for homogeneity of variances\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/jsr.isrt.ac.bd\/#website\",\"url\":\"https:\/\/jsr.isrt.ac.bd\/\",\"name\":\"JSR\",\"description\":\"Journal of Statistical Research\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/jsr.isrt.ac.bd\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"A new alternative in testing for homogeneity of variances - JSR","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:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/","og_locale":"en_US","og_type":"article","og_title":"A new alternative in testing for homogeneity of variances - JSR","og_description":"A new alternative procedure is proposed for testing the hypothesis that the variances of k independent groups are equal under non-normality. Extensive simulations indicated that the new procedure always gave the experimenter more control over the probability of a Type I error than do the Bartlett and Levene\u2019s tests. The same statement was true for [&hellip;]","og_url":"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/","og_site_name":"JSR","article_modified_time":"2017-09-28T06:03:59+00:00","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/","url":"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/","name":"A new alternative in testing for homogeneity of variances - JSR","isPartOf":{"@id":"https:\/\/jsr.isrt.ac.bd\/#website"},"datePublished":"2017-09-28T06:03:23+00:00","dateModified":"2017-09-28T06:03:59+00:00","breadcrumb":{"@id":"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/jsr.isrt.ac.bd\/article\/new-alternative-testing-homogeneity-variances\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/jsr.isrt.ac.bd\/"},{"@type":"ListItem","position":2,"name":"Articles","item":"https:\/\/jsr.isrt.ac.bd\/article\/"},{"@type":"ListItem","position":3,"name":"A new alternative in testing for homogeneity of variances"}]},{"@type":"WebSite","@id":"https:\/\/jsr.isrt.ac.bd\/#website","url":"https:\/\/jsr.isrt.ac.bd\/","name":"JSR","description":"Journal of Statistical Research","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jsr.isrt.ac.bd\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/article\/623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/article"}],"about":[{"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/types\/article"}],"author":[{"embeddable":true,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":0,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/article\/623\/revisions"}],"wp:attachment":[{"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"issuem_issue","embeddable":true,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/issuem_issue?post=623"},{"taxonomy":"issuem_issue_categories","embeddable":true,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/issuem_issue_categories?post=623"},{"taxonomy":"issuem_issue_tags","embeddable":true,"href":"http:\/\/jsr.isrt.ac.bd\/wp-json\/wp\/v2\/issuem_issue_tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}