ÔN TẬP: CÁC SỐ ĐẶC TRƯNG ĐO MỨC ĐỘ PHÂN TÁN CỦA MẪU SỐ LIỆU GHÉP NHÓM (nâng cao 1)

Home Lớp 12 Toán lớp 12 - Sách Kết nối tri thức Bài tập cuối chương 3. CÁC SỐ ĐẶC TRƯNG ĐO MỨC ĐỘ PHÂN TÁN CỦA MẪU SỐ LIỆU GHÉP NHÓM.Bài tập nâng cao

{"common":{"save":0,"post_id":"7605","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5828","post_id":"7605","mon_id":"1159285","chapter_id":"1159394","question":"Cho m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm v\u1ec1 th\u1eddi gian (phút) \u0111i t\u1eeb nhà \u0111\u1ebfn tr\u01b0\u1eddng c\u1ee7a các h\u1ecdc sinh trong m\u1ed9t l\u1edbp 11 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng nh\u01b0 sau:<\/p><svg height=\"230\" width=\"250\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"232\" id=\"canvas_background\" width=\"252\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_16\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> <title><\/title> <rect fill=\"#ff5656\" height=\"39\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"1.52272\"><\/rect> <rect fill=\"#aad4ff\" height=\"183\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"40.52273\"><\/rect> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"111\" x2=\"111.31817\" y1=\"0.52272\" y2=\"223.52272\"><\/line> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"5.31817\" xml:space=\"preserve\" y=\"29.52272\">Th\u1eddi gian<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"120.31817\" xml:space=\"preserve\" y=\"29.52272\">S\u1ed1 h\u1ecdc sinh<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"65\">[0; 5)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"95\">[5; 10)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"125\">[10; 15)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"155\">[15; 20)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"185\">[20; 25)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"65\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"162\" xml:space=\"preserve\" y=\"95\">12<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"125\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"155\">5<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"185\">3<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"215\">[25; 30)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"215\">2<\/text> <\/g> <\/svg><\/span><\/p>T\u1ea7n s\u1ed1 tích l\u0169y c\u1ee7a nhóm [10; 15) là:<\/p>","options":["A.<\/strong> 26","B.<\/strong> 14","C.<\/strong> 13","D.<\/strong> 25"],"correct":"1","level":"3","hint":"S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a t\u1ea7n s\u1ed1 tích lu\u1ef9 nhóm.<\/p>","answer":"Ch\u1ecdn <\/p>T\u1ea7n s\u1ed1 tích l\u0169y c\u1ee7a nhóm [10; 15) là: 7 + 12 + 7 = 26.<\/p>","type":"choose","extra_type":"shape2","user_id":"131","test":"0","date":"2024-10-18 02:25:17","option_type":"txt","len":0},{"id":"5829","post_id":"7605","mon_id":"1159285","chapter_id":"1159394","question":"Cho m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm v\u1ec1 th\u1eddi gian (phút) \u0111i t\u1eeb nhà \u0111\u1ebfn tr\u01b0\u1eddng c\u1ee7a các h\u1ecdc sinh trong m\u1ed9t l\u1edbp 11 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng nh\u01b0 sau:<\/p><svg height=\"230\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"232\" id=\"canvas_background\" width=\"252\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_16\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><rect fill=\"#ff5656\" height=\"39\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"1.52272\"><\/rect> <rect fill=\"#aad4ff\" height=\"183\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"40.52273\"><\/rect> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"111\" x2=\"111.31817\" y1=\"0.52272\" y2=\"223.52272\"><\/line> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"5.31817\" xml:space=\"preserve\" y=\"29.52272\">Th\u1eddi gian<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"120.31817\" xml:space=\"preserve\" y=\"29.52272\">S\u1ed1 h\u1ecdc sinh<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"65\">[0; 5)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"95\">[5; 10)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"125\">[10; 15)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"155\">[15; 20)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"185\">[20; 25)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"65\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"162\" xml:space=\"preserve\" y=\"95\">12<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"125\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"155\">5<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"185\">3<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"215\">[25; 30)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"215\">2<\/text> <\/g> <\/svg><\/span><\/p>Nhóm có t\u1ea7n s\u1ed1 l\u1edbn nh\u1ea5t là<\/p>","options":["A.<\/strong> [10; 15)","B.<\/strong> [5; 10)","C.<\/strong> [25; 30)","D.<\/strong> [15; 20)"],"correct":"2","level":"3","hint":"S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a t\u1ea7n s\u1ed1 c\u1ee7a nhóm.<\/p>","answer":"Ch\u1ecdn <\/span>B.<\/strong> [5; 10)<\/span><\/p>Nhóm có t\u1ea7n s\u1ed1 l\u1edbn nh\u1ea5t là nhóm [5; 10).<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-10-18 02:27:08","option_type":"txt","len":1},{"id":"5830","post_id":"7605","mon_id":"1159285","chapter_id":"1159394","question":"Cho m\u1eabu s\u1ed1 li\u1ec7u ghép nhóm v\u1ec1 th\u1eddi gian (phút) \u0111i t\u1eeb nhà \u0111\u1ebfn tr\u01b0\u1eddng c\u1ee7a các h\u1ecdc sinh trong m\u1ed9t l\u1edbp 11 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng nh\u01b0 sau:<\/p><svg height=\"230\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"232\" id=\"canvas_background\" width=\"252\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_16\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><rect fill=\"#ff5656\" height=\"39\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"1.52272\"><\/rect> <rect fill=\"#aad4ff\" height=\"183\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"243.99998\" x=\"2.31818\" y=\"40.52273\"><\/rect> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"111\" x2=\"111.31817\" y1=\"0.52272\" y2=\"223.52272\"><\/line> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"5.31817\" xml:space=\"preserve\" y=\"29.52272\">Th\u1eddi gian<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"120.31817\" xml:space=\"preserve\" y=\"29.52272\">S\u1ed1 h\u1ecdc sinh<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"65\">[0; 5)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"95\">[5; 10)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"125\">[10; 15)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"155\">[15; 20)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"185\">[20; 25)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"65\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"162\" xml:space=\"preserve\" y=\"95\">12<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"125\">7<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"155\">5<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"185\">3<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"14.31817\" xml:space=\"preserve\" y=\"215\">[25; 30)<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"24\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"168\" xml:space=\"preserve\" y=\"215\">2<\/text> <\/g> <\/svg><\/span><\/p>Kho\u1ea3ng bi\u1ebfn thiên là<\/p>","options":["A.<\/strong> 15","B.<\/strong> 20","C.<\/strong> 10","D.<\/strong> 30"],"correct":"4","level":"3","hint":"S\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a kho\u1ea3ng bi\u1ebfn thiên.<\/p>","answer":"Ch\u1ecdn D.<\/strong> 30<\/span><\/p>Kho\u1ea3ng bi\u1ebfn thiên là R = 30 – 0 = 30.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-10-18 02:29:51","option_type":"txt","len":0}]}