Các số đặc trưng đo xu thế trung tâm.

Home Lớp 11 Toán lớp 11 - Sách kết nối tri thức Bài 9 - Các số đặc trưng đo xu thế trung tâm.Bài tập cơ bản

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y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p>Giá tr\u1ecb \u0111\u1ea1i di\u1ec7n c\u1ee7a nhóm [20 ; 40) là<\/p>","options":["A.<\/strong> 10","B.<\/strong> 20","C.<\/strong> 30","D.<\/strong> 40"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn   C.<\/strong> 30.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-14 03:07:22","option_type":"txt","len":0},{"id":"4982","post_id":"7060","mon_id":"1158924","chapter_id":"1159152","question":"Kh\u1ea3o sát th\u1eddi gian t\u1eadp th\u1ec3 d\u1ee5c trong ngày c\u1ee7a m\u1ed9t s\u1ed1 h\u1ecdc sinh kh\u1ed1i 11 thu \u0111\u01b0\u1ee3c m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm sau<\/p><svg height=\"60\" width=\"420\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"62\" id=\"canvas_background\" width=\"422\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> 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y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p>M\u1eabu s\u1ed1 li\u1ec7u ghép nhóm này có bao nhiêu m\u1ed1t?<\/p>","options":["A.<\/strong> 0","B.<\/strong> 1","C.<\/strong> 2","D.<\/strong> 3"],"correct":"2","level":"1","hint":"","answer":"Vì \u0111ây là m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm và t\u1ea7n s\u1ed1 các nhóm khác nhau nên có 1 m\u1ed1t.<\/p>Ch\u1ecdn   B.<\/strong> 1.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-20 01:23:26","option_type":"txt","len":0},{"id":"4984","post_id":"7060","mon_id":"1158924","chapter_id":"1159152","question":"Kh\u1ea3o sát th\u1eddi gian t\u1eadp th\u1ec3 d\u1ee5c trong ngày c\u1ee7a m\u1ed9t s\u1ed1 h\u1ecdc sinh kh\u1ed1i 11 thu \u0111\u01b0\u1ee3c m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm sau<\/p><svg height=\"60\" width=\"420\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"62\" id=\"canvas_background\" width=\"422\" x=\"-1\" y=\"-1\"><\/rect> <g 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\" y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p>Nhóm ch\u1ee9a m\u1ed1t c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u này là<\/p>","options":["A.<\/strong> $[20;40)$<\/span>","B.<\/strong> $[40;60)$<\/span>","C.<\/strong> $[60;80)$<\/span>","D.<\/strong> $[80;100)$<\/span>"],"correct":"2","level":"1","hint":"","answer":"T\u1ea7n s\u1ed1 c\u1ee7a nhóm [40;60) l\u1edbn nh\u1ea5t (b\u1eb1ng 12) nên m\u1ed1t thu\u1ed9c nhóm [40;60).<\/p>Ch\u1ecdn   B.<\/strong> $[40;60)$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-12-20 01:26:30","option_type":"math","len":0}]}