{"common":{"save":0,"post_id":"6448","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6659","mon_id":"1158767","chapter_id":"1158885","post_id":"6448","question":"<p>S\u1ed1 l\u01b0\u1ee3ng chung c\u01b0 cao c\u1ea5p \u0111\u01b0\u1ee3c b&aacute;n trong 11 ng&agrave;y g\u1ea7n \u0111&acirc;y c\u1ee7a m\u1ed9t c&ocirc;ng ty b\u1ea5t \u0111\u1ed9ng s\u1ea3n \u0111\u01b0\u1ee3c&nbsp;th\u1ed1ng k&ecirc; trong m\u1eabu s\u1ed1 li\u1ec7u sau:<\/p><p>2&nbsp; &nbsp; &nbsp;5&nbsp; &nbsp; &nbsp;16&nbsp; &nbsp; &nbsp;8&nbsp; &nbsp; &nbsp;7&nbsp; &nbsp; &nbsp;9&nbsp; &nbsp; &nbsp;10&nbsp; &nbsp; &nbsp;12&nbsp; &nbsp; &nbsp;14&nbsp; &nbsp; &nbsp;11&nbsp; &nbsp; &nbsp;6<\/p><p>Kho\u1ea3ng t\u1ee9 ph&acirc;n v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u tr&ecirc;n l&agrave;<\/p>","options":["<strong>A.<\/strong> 5","<strong>B.<\/strong> 14","<strong>C.<\/strong> 6","<strong>D.<\/strong> 9"],"correct":"3","level":"2","hint":"","answer":"<p>S\u1eafp x\u1ebfp l\u1ea1i m\u1eabu s\u1ed1 li\u1ec7u theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n ta \u0111\u01b0\u1ee3c<\/p><p>2&nbsp; &nbsp; &nbsp;5&nbsp; &nbsp; &nbsp;6&nbsp; &nbsp; &nbsp;7&nbsp; &nbsp; &nbsp;8&nbsp; &nbsp; &nbsp;9&nbsp; &nbsp; &nbsp;10&nbsp; &nbsp; &nbsp;11&nbsp; &nbsp; &nbsp;12&nbsp; &nbsp; &nbsp;14&nbsp; &nbsp; &nbsp;16<\/p><p>V\u1eady&nbsp;<span class=\"math-tex\">$Q_1$<\/span>&nbsp;= 6;&nbsp;<span class=\"math-tex\">$Q_2$<\/span>&nbsp;= 9;&nbsp;<span class=\"math-tex\">$Q_3$<\/span>&nbsp;= 12.<\/p><p>Suy ra&nbsp;&nbsp;<span class=\"math-tex\">$\\Delta Q = Q_3-Q_1$<\/span>&nbsp;= 12&nbsp;&ndash; 6 = 6.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 6<\/span>.<\/p>","type":"choose","extra_type":"shape2","user_id":"131","test":"0","date":"2023-05-28 03:13:22","option_type":"txt","len":0},{"id":"6663","mon_id":"1158767","chapter_id":"1158885","post_id":"6448","question":"<p>C&oacute; 100 h\u1ecdc sinh tham d\u1ef1 k&igrave; thi h\u1ecdc sinh gi\u1ecfi c\u1ea5p t\u1ec9nh l\u1edbp 10 (thang \u0111i\u1ec3m 20). K\u1ebft qu\u1ea3 nh\u01b0 sau:<\/p><p><span class=\"svgedit\"><svg height=\"70\" width=\"400\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"72\" id=\"canvas_background\" width=\"402\" 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><image height=\"60\" id=\"svg_1\" width=\"398\" x=\"-1\" xlink:href=\"data:image\/png;base64,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\" y=\"6\"><\/image> <\/g> <\/svg><\/span><\/p><p>Ph\u01b0\u01a1ng sai l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$S^2_x$<\/span> = 3,95","<strong>B.<\/strong> <span class=\"math-tex\">$S^2_x$<\/span> = 3,96","<strong>C.<\/strong> <span class=\"math-tex\">$S^2_x$<\/span> = 3,97","<strong>D.<\/strong> <span class=\"math-tex\">$S^2_x$<\/span> = 3,98"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$S^2_x = \\overline{x^2}- \\left(\\overline{x}\\right)^2=\\dfrac{1}{N} \\sum n_i.x_i^2 - \\left( \\dfrac{1}{N} \\sum n_i . x_i \\right) ^2 $<\/span>&nbsp;= 3,96<\/p><p>Trong \u0111&oacute;<\/p><p><span class=\"math-tex\">$\\dfrac{1}{N} \\sum n_i . x_i = \\dfrac{1523}{100}$<\/span>&nbsp;= 15,23 ;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{N} \\sum n_i.x_i^2 = \\dfrac{23591}{100}$<\/span>&nbsp;= 235,91<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$S^2_x$<\/span>&nbsp;= 3,96<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-05-28 03:29:49","option_type":"math","len":0},{"id":"6666","mon_id":"1158767","chapter_id":"1158885","post_id":"6448","question":"<p>\u0110i\u1ec3m thi c\u1ee7a 32 h\u1ecdc sinh trong k&igrave; thi Ti\u1ebfng Anh (thang \u0111i\u1ec3m 100) nh\u01b0 sau<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"370\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"372\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"110\" id=\"svg_1\" width=\"363\" x=\"3.5\" 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rEMI4QIS1iGEYM\/37\/8DXP8lzLrdqBQAAAAASUVORK5CYII=\" y=\"5\"><\/image> <\/g> <\/svg><\/span><\/p><p>L\u1eadp b\u1ea3ng ph&acirc;n b\u1ed1 t\u1ea7n s\u1ed1 - t\u1ea7n su\u1ea5t gh&eacute;p l\u1edbp<\/p><p>[40; 50] ; [50; 60] ; [60; 70] ; [70; 80] ; [80; 90] ; [90; 100]<\/p><p>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$S_x$<\/span> = 13,79","<strong>B.<\/strong> <span class=\"math-tex\">$S_x$<\/span> = 19,73","<strong>C.<\/strong> <span class=\"math-tex\">$S_x$<\/span> = 17,39","<strong>D.<\/strong> <span class=\"math-tex\">$S_x$<\/span> = 17,97"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"220\" width=\"350\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"222\" id=\"canvas_background\" width=\"352\" 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=\"216\" id=\"svg_1\" width=\"351\" x=\"-1.5\" 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rK6KHDNFwFHoRQX8OgZJ4KC50bJgL1cE3J+\/yqpTuOK6C7cRSPmai+PQMyJO3FCR1evEdxnfcZmBnr1NGLHd\/jIfVCXsT\/MNF\/si5jhs\/NhpMVs38iw+\/7n739xkzLcYUIAOA07Bw8TxPlg50AJnsPz2Jf76UH1GjufI\/AJz66wOv9bUFPVffWL5FvcRSPmGPXB0Lzg+escfL4L8OdTEK+rBYKc0ZjxWWsEXFEnrvnSD\/wF8FOvFd5TsvOe7RsZcV\/QWNykDNd84ZxLajjc++Z14sxC8Xo+uIMDmKPfkjO\/CiK7Pp8GfmAgBoLrOzTgu2iEs44aaZ644sU9zLkDn+jI2GN8hLFjaGOJ1wDPw646ZmD+J\/RqmL5w9Hxy\/SU779m+kRH3BY3FTcqYbVgaiJsPIXaT3ImhfuFeT8SYWDOxKDuafQP4caJIvsFdNHJkGs3m9y84pSPWGTUP1AW\/tF2NULMVPvXdNULYtGfwrFxsbLQZu31jhNu3sewINJucGohzvhfoDD0x6Bfu6SER5\/dMLMqOZt\/A+c2zwd8ruYtGjhmNnLZXcErHrNa0XjAvNrNePY341HfXfN259HyDfdYHrrvSN0a4fRvLrHNKbL7xmkA8fptCRH4mzjaLrk20qOALPxNn6\/k+AvPvgCsSxng1d9Io5olqhHuxwDWPrmZVx14+a5y4jyajII\/YdJwmzpax6nvE7el8X2m+2Xm7HuFsGXFf0FjcpAx3wAhIBWDgdJgB8Jl4fxX6oAeB\/VVYfNZr3If4Cv1aYXX+t4iaAlzHGK\/gLhoxz6JG\/NKihjGP7qAh2NEx1mLME8Sm68Zaitfx+Vl0jx1co+z5Hn+EAJ69MnPeM30jw8XeWNykDAYcDwMOw86BeQrF4BgdJkWKa0R0vXhQAMKN7kPUE8JeBc+CYzWWb3EnjWLe9f61wHEXDQH82QExaEyx1qCB3tdmBKIm8f4MeO4TEEOvZtU313gBzz0yc95Z38jAc5HG4iZl9JrvaSBq1nw\/BSKvxrGj2dsojc7wZB3fnAMu9sayI9Cvmu\/ON84K+GY89a1W\/C+l0RmerOObc8DF3lh2BNJ\/6n6rQWKPb\/7zjzHs\/LLe0extlEZneLKOb84BF3tjqSJZpzTLKY3O8GQd35wDLvbGUkWyTmmWUxqd4ck6vjkHXOyNpYpkndIspzQ6w5N1fHMOuNgbSxXJOqVZTml0hifr+OYccLE3liqSdUqznNLoDE\/W8c054GJvLFUk65RmOaXRGZ6s45tzwMXeWKpI1inNckqjMzxZxzfngIu9sVSRrFOa5ZRGZ3iyjm\/OARd7Y8GkGjVq1KhxdkRs8y3WKM1ySqMzPFnHN+eAi72xVJGsU5rllEZneLKOb84BF3tjqSJZpzTLKY3O8GQd35wDLvbGsiNQ78U68b2p8a1n2f0VsK+upUPfPdp7Lydj2GH3udPAD\/diIMaL8c2XE424i0ZkpEl8ty3Gt14YtQp82SGrNa0LDq0bzO\/dmwXPfQr8jO\/rjbUfY4vv+42+z5z3o97ny4DYDHj4vOZh9u6fACKpUPishQZB9Ro+nBL218AHp19MVsyJyfsL7qARgD5Rg3iNnIgN+S7s6JjVIsB1bFqEmvE+a7c3vwee+QQ2UT2rWOOMjb7hGdQAoe+YR7LzzvrGDC72xrIjUDwcEAMECILCxYCA3v8UHgKh6JpwtCkQVuOYIa7xSxgnh8YXNQCwaTL+iis1UpBzWqwgaoLPsN2RHR3xTIxHa83VgeI0g+1EA5qFPuJstEfAFutVe4s7yxjP6Ly5b9Y3Mtz8xrK6KOh9M6rDERcwRI2HTGbWVDBXDwl7Yc+I+g3wzC+T6lMQE\/x3+jg9eVazOp7iSo0U6KV54Yg5cSdWdZypm15tEORQ1Cx7xvFJDuBZ7pmdnzZfR2y+o\/Oe7RsZLvbGsiMQC5rO0GEePIc6G6\/BzoE6cDhYX3GNCGA\/7Evo8wqr878B\/dYiQ5K5JHTaf5s7aAQYO84dnzFUI+qo90\/k5CngzwoztYj4NV4MbXC4pzUCuN4Kq\/OJ5jF8GTVf9qLor6LxZec92zcysG6ksbhJGa754lqdpg1z4nzCOZ\/iDgiH1xNR5\/Z8G3HC509hEmnzRbzaWAjmrSTOCe6gEYAfUSdcUyfNUwIdtSCvZFXHrBZBjI81wLrA55gvLt8yMH8V+kpcbSu47+qcxFiz857tGxku9sayI1BsWFEwooHEgAGeU2F26CUFhOqJGBPL+TbCxfprXNzQu9d8V+I7wR00AvAjnncvZ0jM7ytZ1XGmFh2oF9aiqxFqtsLqfBB1HzU93BvtgXhxv3fORM97pW+McH41lpHzPWJywikenKKBOOd7ga6gSaP0fFK\/ibON2NHsNPAXfmhiOT15VlkCnuYOGgF3tjOauOeuYFXHmVp06HOYh\/lKb90RO77jGTfi3rge+YMY8NwsmIvzXukbI9zejWXFQcLkpTO9ZNZfYhAj\/ipztlV6a8C36JOzxVhmwPyrcbEweRVn+wV30Ai4RkLtAHIHcxTmhGp7Fas69nxHnKwT3EdeKNqcnSbOlrHquwONMJ4f1h01Xtzr7Z2d92zfyHD7N5aekyPorDYsBKWCsOg5hwHwmvdXAnJgz5hIBCKr0JjLBCT0a4XV+d+Afkf9YoyYE5P3F9xBIxDzDuCaGvG+5pDLk6vY0TGrRdzXdaNGrG9qEu\/Ponvsgjg0f3E9+hLAPY09wlhG5z3TNzJc7I1lRyDXfAFEgp0j3mcS9O4rFClrztk6EI77uUODqCeE\/TUjfRgvxmpsp7iDRoT52tOEWvbuXwn82SGrRcQ4uh810WY1C577FNQvm2\/0SQdqO56zDm3IM+ed9Y0MPBdpLG5SRq\/5ngaiZ833UyDyahw7mr2N0ugMT9bxzTngYm8sOwL9qvnufOOsgG\/zU99qxf9SGp3hyTq+OQdc7I1lRyD9ef+tBok9vvnPP8aw88t6R7O3URqd4ck6vjkHXOyNpYpkndIspzQ6w5N1fHMOuNgbSxXJOqVZTml0hifr+OYccLE3liqSdUqznNLoDE\/W8c054GJvLFUk65RmOaXRGZ6s45tzwMXeWKpI1inNckqjMzxZxzfngIu9sVSRrFOa5ZRGZ3iyjm\/OARd7Y6kiWac0yymNzvBkHd+cAy72xlJFsk5pllManeHJOr45B1zsjQWTatSoUaPG2RGxzbdYozTLKY3O8GQd35wDLvbGUkWyTmmWUxqd4ck6vjkHXOyNpYpkndIspzQ6w5N1fHMOuNgby45A8cU6o\/ds6ns0V97nO4uut\/JeTsaww+5z34LxYdzlXbR30UjPPw7mX3z3Lca336g3C3z5FGjAd+ISp4u+szfW9C\/f56vvGtb+QeJ5KWqPgy\/RmjnvXt+YBc9FGoublMHGNWqePDzO4TUFYCPm9Q4QSJsN1tMkg2h6P85\/+isleQ4ac7y+irto5Ih5gM96fSc+1RFxuZyArVe\/sb5jLc+y4zv81IYL\/\/WafYNgfrYP7mv82XlnfWMG51Nj2RFopvnCYQ04BgRgi0kxCxNCwcHwoHhfm7t7BvN\/kVTfAHrGLw\/V4EruolEkFjfANXS7I5\/oyHxHfFpnrg4Ul1ewnWhAGXhGzyL2mhgLiM8oLpbReVObrG9kuPmNZXVRkDVfiBPXdQFjXhSGOBEUJwjWxz7xsxL9hg+\/SKpv4BLxLtxFI4V5G\/Mw5sSd+ERHxhrzpFcbxP0oyp5xnMiBrNcAxhlhj4jPjtbrxZn5EMH8SGNxkzIyQXAvHp6bv3OgCp7Vxok9eI39XWPHM3pQ8GlVg9X534KaIiZ81viv5i4aKdAm5hvPXzWMc65kV0fEylxAPFqP1IHxYuh93IvN7Ko6QQ33fqABd6bEPZud92zfyHCxN5YdgUbNFw7GNXvz3dxVVMSYYD0Rdd7MN2vkU59PwbgRA8E1i+5K7qKRAp9iATEH9fyRN1qQV7KjY6yrmPMxPtYA5zid2LQ01zJ2fCfwBc9jjPoMRvQVZD2nd96zfSMDe0Qai5uUMWpYcNwVf0+I3STHWiMRIVRPxHhYvVh67Gj2DeBHjIW6rBTJN7iLRoRFN8Mov3\/Njo7R95nGgfusHVcjzKsVdnx3YJ2R\/\/A39hyNJ0PPe6VvjHCxN5YdgUbJCbtz0jnfC3QGiD1q8tjLie\/87sXSA\/PvgPObZ1PN93\/p\/aLpsZoT32JVR+Q9nnFj1Iy0XqBTbHa9ehqBPU+Q9QnnG+a7\/tADvq72jREu9sayI1Cv+eIadlf4ToxVgZReMdEv54uz9WIZgfl3APHHImGMV3MXjQgKKmoFXB4xJ1we\/5oTOsbYsSaajKINzmnSq7cRq773alH37vkeG6abB7Lznu0bGZgfaSxuUkZPpN63BmAAfAZzVwNSuJ4KDFF1f1yr0LgH8RWus8Lq\/G8RNQW4jjFewV00IlEn4vLI5clVnNAR8WjzRWy6bswj1jc1ifdn2fE91nDcO\/oefQW0ud7C9UbnPdM3MtRH0ljcpAwGFw9Dvz0dCBjPcYwOkyI5AQnncOihEdh43\/kGUU8IexU8C47VWL7FHTXq5VLMo7toCE7oiBrQ5gsQo8YcazFqos1qFjy3Q+YbYtH70Tf63mPmvLO+kYHnIo3FTcroNd\/TQORR8z0BRF6NY0ezt1EaneHJOr45B1zsjWVHoF81351vnBXwjXnqW634X0qjMzxZxzfngIu9sewIxOaL8a0GiT2++c8\/xrDzy3pHs7dRGp3hyTq+OQdc7I2limSd0iynNDrDk3V8cw642BtLFck6pVlOaXSGJ+v45hxwsTeWKpJ1SrOc0ugMT9bxzTngYm8sVSTrlGY5pdEZnqzjm3PAxd5YqkjWKc1ySqMzPFnHN+eAi72xVJGsU5rllEZneLKOb84BF3tjqSJZpzTLKY3O8GQd35wDLvbGUkWyTmmWUxqd4ck6vjkHXOyNBZNq1KhRo8bZEbHNt1ijNMspjc7wZB3fnAMu9sZSRbJOaZZTGp3hyTq+OQdc7I2limSd0iynNDrDk3V8cw642BvLjkC9F+vE92zGl9asvM93BvUDI76zFPTey8lnd9h97tsgfsR7B+6kUZYnMW8xvv1GvVngyw76TtwsJxBrfIlVfOftL9\/nqzWLsdpHZvqM3n\/8+3wZMIViQhMeJu\/H+avQBy0kiBSvVVgIqtfw4ZSwV0N9q\/m2aJ4wb3D2BDnhCvAO7OiIWDUPEFsvL1inGj81Yn0zt7TeZ9jxPdYo\/WOfiL7EPsJr9TVeYw\/tE7iv11nfmAFrRhqLm5QRDwfExgfgNJM8BgTcM7NgrZhQ9AvwkHgogDYFa2gcM+xo9m0QB8cduItGyL+oCXJOv3RxX5vxndjREc9oPK5eAe2IX2sTn1UfAFus34xV3+mP1iyAf+wTzg\/tIzEWAC0YDz5HvzRHZvtGhpvfWFYXBe4wXSPVpNbPJBaB4kRQeslAv1RQJfoNH9w6I3Y0+ybwn\/q7mK\/gLhq5PIh5F3PiTpzQ0dUrgC7UQmvA1XKvnkacygH6CVzdq7+YG\/sMewmIZw+oD\/7O9o0MF3tj2RHIHSacZgAAQep1nA92DpSw4SjqlxMZxMPRg5lldf43Uf8R866ep7mTRvCFxckc4TX1g274y893Af58Cuog1oLWB\/5qQ4s1Aq6qE+6Lv+6afYfX8J1nSzgHuOYNuIbqojhNRnA\/pbG4SRmu+QIGyUGy+TtgLTyrgkA07uOaM4iH0\/NtxK7P30A1QFx3aRx30gjAHw7NGeagnj\/y5o+gI\/KBMWt8rB3kPojNF\/dUIxCfmQHzPwVrxGZJXzjUJ8asNs4DMVaC+4h5tm9kcD+lsbhJGa5hwWF1mgLxEON8gHufJHk8BF7jL4TqiRgTy\/k2AvPvABJFE6mabwvOGr5oMUIjlxvE5fdVnNIR67B5xBqAFppHrkZYWyt86juej\/kMP9XGs9LGiM+wcajvsWYI5630jRHcT2ksblJGTE5ea4IDDcQ53wt0F\/UDe8WDA+o3cbYRmH8H4EdvrMTzDeDDHUB+aWGCXr4qd9AQnNKRtYaYsGZvAKdZr55GcL0d8KzrDbDHc8l80\/uu5+z2jREu9sbiJmXQWToTr4kGir\/xG8fZZnEiYT\/amGRaYM7W830E5t8Rjf9q7qKRyzGeOf7i3qgYr2ZVx14+uzhJ1MjNHT3fYycH6H9vL9xD7SvaC+CnxgI0PsyNfqlttm9kxD1AY3GTMtwBI0AtfDpMoXjNZxjwSkAKfeD68RrAJz1E+BcPhn6tsDr\/V1TzbWGeaa5CI+ZFzFPg8uQqdnTs1aJqoGC+xhtrKXu+x47veGakPe7puvQVuQ943uwr8RrE89XnwUzfyFAfSWNxkzIYcDwMOAw7hyY0oBAco8PkgatoEc7hiPsBCMf7KiiBqCeEvQPVfD0x72IexDxazYdvAn92QAwa06jWoEeMeaa2MvDcCvGcdKh\/MTZtnADXet\/1EL3vzjvrGxl4LtJY3KSMXvM9DUQcNd8TQOTVOHY0exul0RmerOObc8DF3lh2BPpV8935xlkB37SnvtWK\/6U0OsOTdXxzDrjYG8uOQGy+GN9qkNjD\/XPgFIxh55f1jmZvozQ6w5N1fHMOuNgbSxXJOqVZTml0hifr+OYccLE3liqSdUqznNLoDE\/W8c054GJvLFUk65RmOaXRGZ6s45tzwMXeWKpI1inNckqjMzxZxzfngIu9sVSRrFOa5ZRGZ3iyjm\/OARd7Y6kiWac0yymNzvBkHd+cAy72xlJFsk5pllManeHJOr45B1zsjaWKZJ3SLKc0OsOTdXxzDrjYGwsm1ahRo0aNsyNim2+xRmmWUxqd4ck6vjkHXOyNpYpkndIspzQ6w5N1fHMOuNgbSxXJOqVZTml0hifr+OYccLE3llmB8AIdzMXgy2ji+zfjW870BTwY8b2bn4CX7rj1snd59nzGX9qyF\/pgzl2I8Z7U+BPupJGeLUZ8N23UEOPbb9SbBb58Qu\/NfVmdZJrNgOc+oed7r4bJifO+1ft84YA2JQqggbtrBs5GHIXYAX5grdho6BOhyISHEr88NPFinA5d80pifNQ46nIFd9GIZ655h8LSa5x3duZX8YmOzO\/YPJg3zHvmTbxmLVNDre0Z8MwuPd+jL7GGZ3zPzjv2AOTLan5gz0hjcZMcMw5BCIqFA8YcBbYo5irwlyM2GeznbCy0GAOATZ9xcyKzmn2b6DvAddT9Cu6kEYaCQlSNNEfuxq6OiJl1EuOHzeUN8x5\/4zOwZXUR+Ybvzg\/MYTwzvo\/Om82azRzQtoKb31hmF0VAWQDqZAwYZEHg3qgINEGwf0wgPI89FPXD+Yw19LBinI5Zza4A8SDOq7mLRlqYhL+OWGAub+7Cjo6IhTmAXI7NyMWLuuAzTjO9P8s3fNd6JurvjO+j8+7FuZojLvbGMisQgtKg4aALkus5EWLSf0Lcv7c25vAAcX+UdCDG6ZjV7AoQS+b\/L7iLRu48kQPMFX6GbvjLz3fhUx0RO\/OfYE3kvYI6Ydz4G+9TpxW+4Tv9YB2z5\/A6852fe+et\/UJx647gfkpjcZMcMYnhJJ7VZsdgAJzV5gjYICnUJ8T1Kaprvpjb25uHR1yxRnT+nYDfd\/HtLn7E4gTIB9iQE+4+cgBz7sCnOroGFvOEtcGY8bnXwGJ9jfiG74C+cKhPuB75np13b0\/cj\/1sBPaINBY3yQGH4JjCBszBIAHm95rvygH2iGL01sYcikkfFRyGFpqLM8IY7wQLKsZ3FXfSiAXHocXoYC7dQUv48Qm9ZsJ8wUD+ax3wWtHanuUbvsOm9cqzYi\/Y8V3PW\/uF4tYd4fZrLLMCzTQlPUDMjfN3DrAH9onNnQIq6ocTMIo9E+epGE4Bf+FTr5lcwd00Umby0OXSFXyqI3LDNZOI1gH+xtrS2p7lG767c1Hfdn3nur25q\/ngYm8sswIhKG1K+KzXQOdAgBiEs+2CdaLImS3GAKLNzYnMavYL4C\/8uVPjBXfRCGcPjRScL236mfCX0B00\/VRHFx+uR3XinnG2jG\/4jjXjDyhtmJnv7r6eN7+Y9eydLcPF3ljcJAcchuMEAatD8RrgmgcKO66jcLu4Rht9wH1cE4rIbzDnc4zToWteCfy8iy+Ru\/gVz7x3rXmJ3Mpy4Fd8qqNrNrEu4nWs1ajZLN\/wPeY8fe31mZ3zxp66704+qI+ksbhJDteUeGgc2sQAheCgQD0wR0UZ4ZovyHzC+no\/JpSLM4Ln7oDGEcfV3MEHkp05C5JjtdC+Cfz5BMQSGxiAXWOORE1m61Jx664w63vsA5nvM+eN\/sL7zocMPBdpLG6SY6YpfQpE2Tnkkzyp+d6Z0ugMT9bxzTngYm8sswL9ovniGwwN+Eqq+Z6hNDrDk3V8cw642BvLrEBoSpiLEf8pfwrscRX6T5Fqvp9TGp3hyTq+OQdc7I2limSd0iynNDrDk3V8cw642BtLFck6pVlOaXSGJ+v45hxwsTeWKpJ1SrOc0ugMT9bxzTngYm8sVSTrlGY5pdEZnqzjm3PAxd5YqkjWKc1ySqMzPFnHN+eAi72xVJGsU5rllEZneLKOb84BF3tjqSJZpzTLKY3O8GQd35wDLvbGUkWyTmmWUxqd4ck6vjkHXOyNBZNq1KhRo8bZEbHNt1ijNMspjc7wZB3fnAMu9sZSRbJOaZZTGp3hyTq+OQdc7I2limSd0iynNDrDk3V8cw642BvLnQTiy23ce3r5buCr33oGrtRMXwDk9Ijvrv32m+h6YO\/ic2Z11DMfPYP8yF5ghZyJc1bfzQ1GfjiwZpav7j3eMedjTWC+3ne+633ng75YDD5kYF6ksbhJV6GNJQpYzbfVgHrxmkmob53D9RUN+CqN\/mjM6Ig52lBw3u455seo+fbmwIZ7gHnI6x7Ohx5skKNcZVwaK\/3VvqDXXJfQd10jNvR4H\/uqHvg80hDonqSxuElXwWYCMeK3SzVf\/4sE10xY\/OVnwuT8NXfKqyeT6ciaicCmzRF5AhvGqHHgPmpP56ARxXqEbbQOcH45sDZ9i\/lLtDfExulynr7hr84HGo+rD9h43\/Ud2vC3R1wTNBY36SooMP+qaNV8PUiuXsKCar7PZldHPMfmi5phM0Gu9JomcynOoU1hjY6Y8T02yrgPYTyu+TJOkvmmzRefox7aXHtruX0V90xjGTn5axgogkZg\/Ayq+bZEjRxIrJhcv+AuGj2dHR1HeREbK8EzvQaNz9rwAOtxlHurvmMf13xho9013+gb4++BZ7ierq3gefQa1UVxmihu\/8ayKtA30eYLECAD52FX8\/3\/WmC4xCFIDtXzl1yt0R+FVR2ZG73GgHzRxgpibcU5rsHN1OOq7675xkYafXE5juve3lhf77k9AeZgb6zfa77uOeL2byw9J68gNl9NpJnD\/hV30gwJ4JKDSYkEuoI7afRkVnRkjcTmqiBf4n1ca0OLc+J9wL1Yq47VHMA+saFhDa1590XAXOdgH4lg7bgebHFPwHmv\/eULKCzvqXBXcSfNXBGoZldxJ42ezKyOzAPXSBTc18bK53oD912DYj2OyO5HYvPlr143XEMkrmFiXTyndQJQK6oHoCb424sT649+2LhnGoubdBUMNAoEcWDHeHPzjckJomZMsqt1ukqjPxozOjIHYm44MCc2m0icgwYVm5mzRVZzwOV3BHtib4L58Zm4Dq7hS+wrgA1eURsbsdaTs0XimqCxuElXERsJYbBZwL\/iKs2YFKoBkpGJxl+8Lsl+zVUa\/dHIdGRtaEMagVxZbb5A9+Ceo19+YDUHdpova4I5H6+xXuaH1hDA\/Njg9YsGfmYauj0bS+bYL+k1X8DG8ubmC6gRhyYNEkTv6XCafhPsWXxOpiPrwg1tIAT5stN82XBHa0cwb4Wd5guiBprrao9DUbvzAb7xvjbiHpgXaSxuUjGmNMspjc7wZB3fnAMu9sZSRbJOaZZTGp3hyTq+OQdc7I2limSd0iynNDrDk3V8cw642BtLFck6pVlOaXSGJ+v45hxwsTeWKpJ1SrOc0ugMT9bxzTngYm8sVSTrlGY5pdEZnqzjm3PAxd5YqkjWKc1ySqMzPFnHN+eAi72xVJGsU5rllEZneLKOb84BF3tjqSJZpzTLKY3O8GQd35wDLvbGUkWyTmmWUxqd4ck6vjkHXOyNBZNq1KhRo8bZEXnvV1FRFMWFVPMtiqK4gGq+RVEUF1DNtyiK4uf8+9\/\/D5KbNVKJUcgbAAAAAElFTkSuQmCC\" y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p><p><span class=\"math-tex\">$\\overline{x} = \\dfrac{4.45+6.55+10.65+6.75+4.85+2.95}{32}$<\/span>&nbsp;= 66,88<\/p><p><span class=\"math-tex\">$S^2_x = \\overline{x^2}- \\left(\\overline{x}\\right)^2=\\dfrac{1}{N} \\sum n_i.x_i^2 - \\left( \\dfrac{1}{N} \\sum n_i . x_i \\right) ^2 $<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{149200}{32}- \\left( \\dfrac{2140}{32} \\right)^2$<\/span>&nbsp;= 190,23<\/p><p><span class=\"math-tex\">$S_x= \\sqrt{S^2_x} = \\sqrt{190,23} = $<\/span>&nbsp;13,79<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$S_x$<\/span>&nbsp;= 13,79<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-05-28 03:38:37","option_type":"math","len":0}]}