{"id":6957,"date":"2021-10-22T02:05:43","date_gmt":"2021-10-21T20:35:43","guid":{"rendered":"https:\/\/mathemerize.com\/?p=6957"},"modified":"2021-10-25T09:33:14","modified_gmt":"2021-10-25T04:03:14","slug":"the-variance-of-first-50-even-natural-numbers-is","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/","title":{"rendered":"The variance of first 50 even natural numbers is"},"content":{"rendered":"

Solution :<\/h2>\n

\\({\\sigma^2}\\) = \\(\\sum(x_i – \\bar{x})^2\\over n\\)<\/p>\n

\\(\\bar{X}\\) = \\(\\sum x_i\\over n\\)<\/p>\n

= \\(2 + 4 + 6 + 8 + ….. + 100\\over 50\\)<\/p>\n

= 51<\/p>\n

\\({\\sigma^2}\\) = \\(2^2 + 4^2 + …. + 100^2\\over 50\\) – \\(51^2\\)<\/p>\n

= 833<\/p>\n


\n

Similar Questions<\/h3>\n

The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then P(X = 1) is<\/a><\/p>\n

The median of a set of 9 distinct observations is 20.5. If each of the largest 4 observation of the set is increased by 2, then the median of the new is<\/a><\/p>\n

The mean and the variance of a binomial distribution are 4 and 2, respectively. Then, the probability of 2 success is<\/a><\/p>\n

In a series of 2n observations, half of them equals a and remaining half equal -a. If the standard deviation of the observation is 2, then |a| equal to<\/a><\/p>\n

All the students of a class performed poorly in mathematics. The teacher decided to give grace marks of 10 to each of the students. Which statistical measure will not change even after the grace marks were given ?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Solution : \\({\\sigma^2}\\) = \\(\\sum(x_i – \\bar{x})^2\\over n\\) \\(\\bar{X}\\) = \\(\\sum x_i\\over n\\) = \\(2 + 4 + 6 + 8 + ….. + 100\\over 50\\) = 51 \\({\\sigma^2}\\) = \\(2^2 + 4^2 + …. + 100^2\\over 50\\) – \\(51^2\\) = 833 Similar Questions The mean and variance of a random variable X having a …<\/p>\n

The variance of first 50 even natural numbers is<\/span> Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[43,58],"tags":[],"yoast_head":"\nThe variance of first 50 even natural numbers is<\/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:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The variance of first 50 even natural numbers is\" \/>\n<meta property=\"og:description\" content=\"Solution : ({sigma^2}) = (sum(x_i – bar{x})^2over n) (bar{X}) = (sum x_iover n) = (2 + 4 + 6 + 8 + ….. + 100over 50) = 51 ({sigma^2}) = (2^2 + 4^2 + …. + 100^2over 50) – (51^2) = 833 Similar Questions The mean and variance of a random variable X having a … The variance of first 50 even natural numbers is Read More »\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\" \/>\n<meta property=\"og:site_name\" content=\"Mathemerize\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-21T20:35:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-10-25T04:03:14+00:00\" \/>\n<meta name=\"author\" content=\"mathemerize\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mathemerize\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\"},\"author\":{\"name\":\"mathemerize\",\"@id\":\"https:\/\/mathemerize.com\/#\/schema\/person\/104c8bc54f90618130a6665299bc55df\"},\"headline\":\"The variance of first 50 even natural numbers is\",\"datePublished\":\"2021-10-21T20:35:43+00:00\",\"dateModified\":\"2021-10-25T04:03:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\"},\"wordCount\":161,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mathemerize.com\/#organization\"},\"articleSection\":[\"Maths Questions\",\"Statistics Questions\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\",\"url\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\",\"name\":\"The variance of first 50 even natural numbers is\",\"isPartOf\":{\"@id\":\"https:\/\/mathemerize.com\/#website\"},\"datePublished\":\"2021-10-21T20:35:43+00:00\",\"dateModified\":\"2021-10-25T04:03:14+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mathemerize.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The variance of first 50 even natural numbers is\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mathemerize.com\/#website\",\"url\":\"https:\/\/mathemerize.com\/\",\"name\":\"Mathemerize\",\"description\":\"Maths Tutorials - Study Math Online\",\"publisher\":{\"@id\":\"https:\/\/mathemerize.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mathemerize.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mathemerize.com\/#organization\",\"name\":\"Mathemerize\",\"url\":\"https:\/\/mathemerize.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/mathemerize.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/i1.wp.com\/mathemerize.com\/wp-content\/uploads\/2021\/05\/logo.png?fit=140%2C96&ssl=1\",\"contentUrl\":\"https:\/\/i1.wp.com\/mathemerize.com\/wp-content\/uploads\/2021\/05\/logo.png?fit=140%2C96&ssl=1\",\"width\":140,\"height\":96,\"caption\":\"Mathemerize\"},\"image\":{\"@id\":\"https:\/\/mathemerize.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.instagram.com\/mathemerize\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/mathemerize.com\/#\/schema\/person\/104c8bc54f90618130a6665299bc55df\",\"name\":\"mathemerize\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/mathemerize.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/f0649d8b9c9f4ba7f1682b12d040d2a3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/f0649d8b9c9f4ba7f1682b12d040d2a3?s=96&d=mm&r=g\",\"caption\":\"mathemerize\"},\"sameAs\":[\"https:\/\/mathemerize.com\"],\"url\":\"https:\/\/mathemerize.com\/author\/mathemerize\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The variance of first 50 even natural numbers is","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:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/","og_locale":"en_US","og_type":"article","og_title":"The variance of first 50 even natural numbers is","og_description":"Solution : ({sigma^2}) = (sum(x_i – bar{x})^2over n) (bar{X}) = (sum x_iover n) = (2 + 4 + 6 + 8 + ….. + 100over 50) = 51 ({sigma^2}) = (2^2 + 4^2 + …. + 100^2over 50) – (51^2) = 833 Similar Questions The mean and variance of a random variable X having a … The variance of first 50 even natural numbers is Read More »","og_url":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/","og_site_name":"Mathemerize","article_published_time":"2021-10-21T20:35:43+00:00","article_modified_time":"2021-10-25T04:03:14+00:00","author":"mathemerize","twitter_card":"summary_large_image","twitter_misc":{"Written by":"mathemerize","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#article","isPartOf":{"@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/"},"author":{"name":"mathemerize","@id":"https:\/\/mathemerize.com\/#\/schema\/person\/104c8bc54f90618130a6665299bc55df"},"headline":"The variance of first 50 even natural numbers is","datePublished":"2021-10-21T20:35:43+00:00","dateModified":"2021-10-25T04:03:14+00:00","mainEntityOfPage":{"@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/"},"wordCount":161,"commentCount":0,"publisher":{"@id":"https:\/\/mathemerize.com\/#organization"},"articleSection":["Maths Questions","Statistics Questions"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/","url":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/","name":"The variance of first 50 even natural numbers is","isPartOf":{"@id":"https:\/\/mathemerize.com\/#website"},"datePublished":"2021-10-21T20:35:43+00:00","dateModified":"2021-10-25T04:03:14+00:00","breadcrumb":{"@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathemerize.com\/the-variance-of-first-50-even-natural-numbers-is\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathemerize.com\/"},{"@type":"ListItem","position":2,"name":"The variance of first 50 even natural numbers is"}]},{"@type":"WebSite","@id":"https:\/\/mathemerize.com\/#website","url":"https:\/\/mathemerize.com\/","name":"Mathemerize","description":"Maths Tutorials - Study Math Online","publisher":{"@id":"https:\/\/mathemerize.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathemerize.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/mathemerize.com\/#organization","name":"Mathemerize","url":"https:\/\/mathemerize.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mathemerize.com\/#\/schema\/logo\/image\/","url":"https:\/\/i1.wp.com\/mathemerize.com\/wp-content\/uploads\/2021\/05\/logo.png?fit=140%2C96&ssl=1","contentUrl":"https:\/\/i1.wp.com\/mathemerize.com\/wp-content\/uploads\/2021\/05\/logo.png?fit=140%2C96&ssl=1","width":140,"height":96,"caption":"Mathemerize"},"image":{"@id":"https:\/\/mathemerize.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.instagram.com\/mathemerize\/"]},{"@type":"Person","@id":"https:\/\/mathemerize.com\/#\/schema\/person\/104c8bc54f90618130a6665299bc55df","name":"mathemerize","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mathemerize.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/f0649d8b9c9f4ba7f1682b12d040d2a3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/f0649d8b9c9f4ba7f1682b12d040d2a3?s=96&d=mm&r=g","caption":"mathemerize"},"sameAs":["https:\/\/mathemerize.com"],"url":"https:\/\/mathemerize.com\/author\/mathemerize\/"}]}},"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/posts\/6957"}],"collection":[{"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/comments?post=6957"}],"version-history":[{"count":2,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/posts\/6957\/revisions"}],"predecessor-version":[{"id":7482,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/posts\/6957\/revisions\/7482"}],"wp:attachment":[{"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/media?parent=6957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/categories?post=6957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathemerize.com\/wp-json\/wp\/v2\/tags?post=6957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}