{"id":159638,"date":"2023-09-16T11:50:00","date_gmt":"2023-09-16T06:20:00","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=159638"},"modified":"2023-09-16T11:50:02","modified_gmt":"2023-09-16T06:20:02","slug":"the-frequency-distribution-of-the-compressive-strength-of-20-concrete-cube-specimens-is-given-in-the-table","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/the-frequency-distribution-of-the-compressive-strength-of-20-concrete-cube-specimens-is-given-in-the-table\/","title":{"rendered":"The frequency distribution of the compressive strength of 20 concrete cube specimens is given in the table"},"content":{"rendered":"\n

Q. The frequency distribution of the compressive strength of 20 concrete cube specimens is given in the table.<\/p>\n\n\n\n

f <\/em>(MPa)<\/td>Number of specimens with compressive strength equal to f<\/em><\/td><\/tr>
23<\/td>4<\/td><\/tr>
28<\/td>2<\/td><\/tr>
22.5<\/td>5<\/td><\/tr>
31<\/td>5<\/td><\/tr>
29<\/td>4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

If \ud835\udf07 is the mean strength of the specimens and \ud835\udf0e is the standard deviation, the number of specimens (out of 20) with compressive strength less than \ud835\udf07 \u2212 3\ud835\udf0e is<\/p>\n\n\n\n

Ans: 0<\/p>\n\n\n\n

Sol:<\/p>\n\n\n\n

Mean strength,<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u2234\u00a0Number of specimen with compressive strength less than 15.485 MPa are zero.<\/p>\n","protected":false},"excerpt":{"rendered":"

Q. The frequency distribution of the compressive strength of 20 concrete cube specimens is given in the table. f (MPa) Number of specimens with compressive strength equal to f 23 4 28 2 22.5 5 31 5 29 4 If \ud835\udf07 is the mean strength of the specimens and \ud835\udf0e is the standard deviation, the […]<\/p>\n","protected":false},"author":419,"featured_media":159649,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-159638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=159638"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159638\/revisions"}],"predecessor-version":[{"id":159650,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159638\/revisions\/159650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/159649"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=159638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=159638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=159638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}