{"id":1712,"date":"2022-09-22T20:30:00","date_gmt":"2022-09-23T00:30:00","guid":{"rendered":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/?p=1712"},"modified":"2022-09-22T14:57:22","modified_gmt":"2022-09-22T18:57:22","slug":"math-9-lesson-2-9-22-2022","status":"publish","type":"post","link":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/2022\/09\/22\/math-9-lesson-2-9-22-2022\/","title":{"rendered":"Math 9, Lesson 2, 9\/22\/2022"},"content":{"rendered":"\n<p>We continue study of standard deviation. Today we study standard deviation for grouped data.<\/p>\n\n\n\n<p>We talk about the formulae for grouped data.<\/p>\n\n\n\n<p>Homework:<\/p>\n\n\n\n<p>Print these pages (they are links, click to download):\u00a0<a rel=\"noreferrer noopener\" href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/Math9HW20160918P1.pdf\" target=\"_blank\">Page 1<\/a>,\u00a0 <a rel=\"noreferrer noopener\" href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/Math9HW20160918P2.pdf\" target=\"_blank\">Page 2<\/a>,\u00a0<a rel=\"noreferrer noopener\" href=\"http:\/\/blog.newtonchineseschool.org\/wangweidong\/files\/2016\/09\/WorkBookP03.pdf\" target=\"_blank\">Page 3<\/a>,\u00a0<\/p>\n\n\n\n<p>Workbook Page 1, 2, 3: #2, #3, #7, #8, #9<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We continue study of standard deviation. Today we study standard deviation for grouped data. We talk about the formulae for grouped data. Homework: Print these pages (they are links, click to download):\u00a0Page 1,\u00a0 Page 2,\u00a0Page 3,\u00a0 Workbook Page 1, 2, 3: #2, #3, #7, #8, #9<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[30,4,20,3],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1712"}],"collection":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/comments?post=1712"}],"version-history":[{"count":2,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1712\/revisions"}],"predecessor-version":[{"id":1716,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/posts\/1712\/revisions\/1716"}],"wp:attachment":[{"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/media?parent=1712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/categories?post=1712"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.newtonchineseschool.org\/wangweidong\/wp-json\/wp\/v2\/tags?post=1712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}