{"id":26037,"date":"2023-12-07T02:20:42","date_gmt":"2023-12-07T02:20:42","guid":{"rendered":"https:\/\/masterskills.org\/blog\/trung-binh-nhan-geometric-mean-la-gi-vi-du-ve-trung-binh-nhan.html"},"modified":"2023-12-22T11:24:40","modified_gmt":"2023-12-22T04:24:40","slug":"trung-binh-nhan-geometric-mean-la-gi-vi-du-ve-trung-binh-nhan","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/trung-binh-nhan-geometric-mean-la-gi-vi-du-ve-trung-binh-nhan.html","title":{"rendered":"Trung b\u00ecnh nh\u00e2n (Geometric Mean) l\u00e0 g\u00ec? V\u00ed d\u1ee5 v\u1ec1 trung b\u00ecnh nh\u00e2n"},"content":{"rendered":"<div class=\"vnbcbc-body vceditor-content wi-active\" data-role=\"content\">\n<div class=\"VCSortableInPreviewMode\" type=\"Photo\" style=\"\">\n<div><\/div>\n<div class=\"PhotoCMS_Caption\">\n<p>H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: investopedia.com)<\/p>\n<\/div>\n<\/div>\n<h2><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">Trung b\u00ecnh nh\u00e2n (Geometric Mean)<\/font><\/h2>\n<p><b>Kh\u00e1i ni\u1ec7m<\/b><\/p>\n<p><b>Trung b\u00ecnh nh\u00e2n<\/b> trong ti\u1ebfng Anh l\u00e0 <b>Geometric Mean.<\/b><\/p>\n<p><i>Trung b\u00ecnh nh\u00e2n<\/i> l\u00e0 s\u1ed1 trung b\u00ecnh c\u1ee7a m\u1ed9t d\u00e3y c\u00e1c t\u00edch s\u1ed1, ph\u00e9p t\u00ednh c\u1ee7a n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 ho\u1eb7c danh m\u1ee5c \u0111\u1ea7u t\u01b0. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong k\u0129 thu\u1eadt l\u00e0 &#8220;c\u0103n b\u1eadc n c\u1ee7a t\u00edch n s\u1ed1&#8221;.<\/p>\n<p>C\u00f4ng th\u1ee9c t\u00ednh trung b\u00ecnh nh\u00e2n<\/p>\n<div class=\"VCSortableInPreviewMode noCaption\" type=\"Photo\" style=\"\">\n<div><\/div>\n<div class=\"PhotoCMS_Caption\">\n<\/div>\n<\/div>\n<h3><b><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">V\u00ed d\u1ee5 v\u1ec1 trung b\u00ecnh nh\u00e2n<\/font><\/b><\/h3>\n<p>N\u1ebfu b\u1ea1n c\u00f3 10.000 \u0111\u00f4 la v\u00e0 \u0111\u01b0\u1ee3c tr\u1ea3 l\u00e3i 10% tr\u00ean 10.000 \u0111\u00f4 la \u0111\u00f3 m\u1ed7i n\u0103m trong 25 n\u0103m, s\u1ed1 ti\u1ec1n l\u00e3i l\u00e0 1.000 \u0111\u00f4 la m\u1ed7i n\u0103m trong 25 n\u0103m ho\u1eb7c 25.000 \u0111\u00f4 la. Tuy nhi\u00ean, \u0111\u00f3 kh\u00f4ng xem l\u00e0 c\u00f3 l\u00e3i. Th\u1eadt v\u1eady, ph\u00e9p to\u00e1n gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng b\u1ea1n ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c ti\u1ec1n l\u00e3i 10.000 \u0111\u00f4 la ban \u0111\u1ea7u, kh\u00f4ng ph\u1ea3i l\u00e0 1.000 \u0111\u00f4 la \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1ed7i n\u0103m. N\u1ebfu nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c tr\u1ea3 l\u00e3i cho ti\u1ec1n l\u00e3i \u0111\u00f3 th\u00ec n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u00e3i k\u00e9p, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng<i> trung b\u00ecnh nh\u00e2n.<\/i><\/p>\n<p>S\u1eed d\u1ee5ng<i> trung b\u00ecnh nh\u00e2n <\/i>cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e2n t\u00edch t\u00ednh to\u00e1n l\u1ee3i t\u1ee9c c\u1ee7a kho\u1ea3n \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c tr\u1ea3 l\u00e3i theo l\u00e3i su\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t l\u00ed do c\u00e1c nh\u00e0 qu\u1ea3n l\u00ed danh m\u1ee5c \u0111\u1ea7u t\u01b0 khuy\u00ean kh\u00e1ch h\u00e0ng t\u00e1i \u0111\u1ea7u t\u01b0 c\u1ed5 t\u1ee9c v\u00e0 thu nh\u1eadp.<\/p>\n<p><i>Trung b\u00ecnh nh\u00e2n<\/i> c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng th\u1ee9c gi\u00e1 tr\u1ecb hi\u1ec7n t\u1ea1i v\u00e0 gi\u00e1 tr\u1ecb t\u01b0\u01a1ng lai c\u1ee7a d\u00f2ng ti\u1ec1n. L\u1ee3i su\u1ea5t <i>trung b\u00ecnh nh\u00e2n <\/i>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3 cho c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 mang l\u1ea1i l\u1ee3i nhu\u1eadn g\u1ed9p. Quay tr\u1edf l\u1ea1i v\u00ed d\u1ee5 tr\u00ean, thay v\u00ec ch\u1ec9 ki\u1ebfm \u0111\u01b0\u1ee3c 25.000 \u0111\u00f4 la cho kho\u1ea3n \u0111\u1ea7u t\u01b0 l\u00e3i \u0111\u01a1n, nh\u00e0 \u0111\u1ea7u t\u01b0 ki\u1ebfm \u0111\u01b0\u1ee3c 108.347,06 \u0111\u00f4 la cho kho\u1ea3n \u0111\u1ea7u t\u01b0 l\u00e3i k\u00e9p. L\u00e3i \u0111\u01a1n \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng trung b\u00ecnh c\u1ed9ng, trong khi l\u00e3i k\u00e9p \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng <i>trung b\u00ecnh nh\u00e2n.<\/i><\/p>\n<p><b>C\u00e1ch t\u00ednh l\u00e3i k\u00e9p b\u1eb1ng trung b\u00ecnh nh\u00e2n<\/b><\/p>\n<p>\u0110\u1ec3 t\u00ednh l\u00e3i k\u00e9p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng<b> trung b\u00ecnh nh\u00e2n<\/b> c\u1ee7a l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0, tr\u01b0\u1edbc ti\u00ean nh\u00e0 \u0111\u1ea7u t\u01b0 c\u1ea7n t\u00ednh l\u00e3i trong n\u0103m \u0111\u1ea7u ti\u00ean l\u00e0 10.000 \u0111\u00f4 la nh\u00e2n v\u1edbi 10% l\u00e0 1.000 \u0111\u00f4 la. V\u00e0o n\u0103m th\u1ee9 hai, s\u1ed1 ti\u1ec1n g\u1ed1c m\u1edbi l\u00e0 11.000 \u0111\u00f4 la, 10% c\u1ee7a 11.000 \u0111\u00f4 la l\u00e0 1.100 \u0111\u00f4 la. S\u1ed1 ti\u1ec1n g\u1ed1c m\u1edbi hi\u1ec7n c\u00f3 l\u00e0 11.000 \u0111\u00f4 la c\u1ed9ng v\u1edbi 1.100 \u0111\u00f4 la b\u1eb1ng 12.100 \u0111\u00f4 la.<\/p>\n<p>V\u00e0o n\u0103m th\u1ee9 ba, s\u1ed1 ti\u1ec1n g\u1ed1c m\u1edbi l\u00e0 12.100 \u0111\u00f4 la, 10% c\u1ee7a 12.100 \u0111\u00f4 la l\u00e0 1.210 \u0111\u00f4 la. V\u00e0o cu\u1ed1i n\u0103m th\u1ee9 25, 10.000 \u0111\u00f4 la bi\u1ebfn th\u00e0nh 108.347,06 \u0111\u00f4 la, cao h\u01a1n 98.347,05 \u0111\u00f4 la so v\u1edbi \u0111\u1ea7u t\u01b0 l\u00e3i \u0111\u01a1n. C\u00e1ch t\u00ednh \u0111\u01a1n gi\u1ea3n nh\u01b0 sau $ 10.000 \u00d7 (1 + 0,1) 25 = $ 108.347,06.<\/p>\n<p><i>(T\u00e0i li\u1ec7u tham kh\u1ea3o: investopedia.com)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"vnbcbc-sapo\" data-role=\"sapo\">\n                            Trung b\u00ecnh nh\u00e2n (ti\u1ebfng Anh: Geometric Mean) l\u00e0 s\u1ed1 trung b\u00ecnh c\u1ee7a m\u1ed9t d\u00e3y c\u00e1c t\u00edch s\u1ed1, ph\u00e9p t\u00ednh c\u1ee7a n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 ho\u1eb7c danh m\u1ee5c \u0111\u1ea7u t\u01b0.\n                        <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/26037"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=26037"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/26037\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=26037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=26037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=26037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}