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\" y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p><p>Kho\u1ea3ng t\u1ee9 ph&acirc;n v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u gh&eacute;p nh&oacute;m l&agrave;:<\/p>","options":["A. 23,75","B. 8,125","C. 27,5","D. 31,88"],"correct":"2","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;: <span style=\"color:#16a085;\"><strong>B. 8,125.<\/strong><\/span><\/p><p>&bull; C\u1ee1 m\u1eabu l&agrave; n = 6 + 6 + 4 + 1 + 1 = 18.&nbsp;G\u1ecdi&nbsp;<span class=\"math-tex\">$x_1,x_2,...,x_{18}$<\/span>&nbsp;l&agrave; th\u1eddi gian t\u1eadp nh\u1ea3y m\u1ed7i ng&agrave;y c\u1ee7a b\u1ea1n Chi trong 18 ng&agrave;y tr&ecirc;n v&agrave; gi\u1ea3 s\u1eed r\u1eb1ng d&atilde;y s\u1ed1 li\u1ec7u g\u1ed1c n&agrave;y \u0111&atilde; \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 kh&ocirc;ng gi\u1ea3m.<\/p><p>&bull; T\u1ee9 ph&acirc;n v\u1ecb th\u1ee9 nh\u1ea5t c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u g\u1ed1c&nbsp;l&agrave;&nbsp;<span class=\"math-tex\">$x_{5}$<\/span>&nbsp;n&ecirc;n nh&oacute;m ch\u1ee9a t\u1eeb ph&acirc;n v\u1ecb th\u1ee9 nh\u1ea5t l&agrave; nh&oacute;m [20; 25) v&agrave; ta c&oacute;:<\/p><p><span class=\"math-tex\">$Q_1=20+\\dfrac{\\dfrac{1.18}{4}-0}{6}.(25-20)=23,75$<\/span><\/p><p>&bull; T\u1ee9 ph&acirc;n v\u1ecb th\u1ee9 ba c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u g\u1ed1c&nbsp;l&agrave;&nbsp;<span class=\"math-tex\">$x_{14}$<\/span>&nbsp;n&ecirc;n nh&oacute;m ch\u1ee9a t\u1eeb ph&acirc;n v\u1ecb th\u1ee9 ba l&agrave; nh&oacute;m [30; 35) v&agrave; ta c&oacute;:<\/p><p><span class=\"math-tex\">$Q_3=30+\\dfrac{\\dfrac{3.18}{4}-(6+6)}{4}.(35-30)=31,875$<\/span><\/p><p>&bull; V\u1eady kho\u1ea3ng ch\u1ee9a t\u1ee9 ph&acirc;n v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u gh&eacute;p nh&oacute;m l&agrave;:<\/p><p><span class=\"math-tex\">$\\Delta_Q=Q_3-Q_1=31,875-23,75=8,125$<\/span>.<\/p>","type":"choose","user_id":"126","test":"3","date":"2025-05-07 16:25:45"},{"id":"3749","test_id":"488","question":"<p>Cho h&agrave;m s\u1ed1&nbsp;<span class=\"math-tex\">$y=f(x)$<\/span>&nbsp;x&aacute;c \u0111\u1ecbnh, li&ecirc;n t\u1ee5c tr&ecirc;n R v&agrave; c&oacute; b\u1ea3ng bi\u1ebfn thi&ecirc;n nh\u01b0 sau.<\/p><p><span class=\"svgedit\"><svg height=\"162\" width=\"315\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"164\" id=\"canvas_background\" width=\"317\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <image height=\"160\" id=\"svg_1\" stroke=\"null\" width=\"312.99999\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p><p>\u0110i\u1ec3m c\u1ef1c \u0111\u1ea1i c\u1ee7a h&agrave;m s\u1ed1 l&agrave;:<\/p><p>&nbsp;<\/p>","options":["<strong>A.<\/strong> x = 2","<strong>B.<\/strong> x = 5","<strong>C.<\/strong> x = 1","<strong>D.<\/strong> y = 5"],"correct":"3","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;:&nbsp;<span style=\"color:#16a085;\"><strong>C. x = 1<\/strong>.<\/span><\/p><p>D\u1ef1a v&agrave;o b\u1ea3ng bi\u1ebfn thi&ecirc;n ta th\u1ea5y h&agrave;m s\u1ed1 \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i t\u1ea1i x = 1.<\/p>","type":"choose","user_id":"126","test":"3","date":"2025-05-07 16:31:08"}]}