Thu thập và phân loại dữ liệu

Home Lớp 8 Toán lớp 8 - Sách Kết nối tri thức Bài 18 - Thu thập và phân loại dữ liệuBài tập cơ bản

{"common":{"save":0,"post_id":"6591","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6267","post_id":"6591","mon_id":"1158921","chapter_id":"1158934","question":"<input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> là vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u thông qua quan sát, làm thí nghi\u1ec7m, l\u1eadp b\u1ea3ng h\u1ecfi, ph\u1ecfng v\u1ea5n, ... <\/p>","options":["A.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp","B.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u gián ti\u1ebfp"],"correct":"1","level":"1","hint":"","answer":"Thu th\u1eadp d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp<\/span><\/strong> là vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u thông qua quan sát, làm thí nghi\u1ec7m, l\u1eadp b\u1ea3ng h\u1ecfi, ph\u1ecfng v\u1ea5n, ... <\/p>Ch\u1ecdn A.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-09 14:31:18","option_type":"txt","len":2},{"id":"6268","post_id":"6591","mon_id":"1158921","chapter_id":"1158934","question":"<input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> là thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb nh\u1eefng ngu\u1ed3n có s\u1eb5n nh\u01b0 sách, báo, m\u1ea1ng Internet, ... <\/p>","options":["A.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp","B.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u gián ti\u1ebfp"],"correct":"2","level":"1","hint":"","answer":"Thu th\u1eadp d\u1eef li\u1ec7u gián ti\u1ebfp<\/span><\/strong> là thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb nh\u1eefng ngu\u1ed3n có s\u1eb5n nh\u01b0 sách, báo, m\u1ea1ng Internet, ... <\/p>Ch\u1ecdn B.<\/strong> Thu th\u1eadp d\u1eef li\u1ec7u gián ti\u1ebfp<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-09 14:34:40","option_type":"txt","len":2},{"id":"6269","post_id":"6591","mon_id":"1158921","chapter_id":"1158934","question":"Ch\u1ecdn c\u1ee5m t\u1eeb thích h\u1ee3p \u0111\u1ec3 \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng trong s\u01a1 \u0111\u1ed3 phân lo\u1ea1i d\u1eef li\u1ec7u sau:<\/p><svg height=\"250\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"252\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><rect fill=\"#fff\" height=\"31\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"119\" x=\"128.95453\" y=\"8.88636\"><\/rect> <rect fill=\"#ff56ff\" height=\"34\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"103\" x=\"25.95453\" y=\"78.88636\"><\/rect> <rect fill=\"#5656ff\" height=\"34\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"167.99999\" x=\"197.95453\" y=\"80.88636\"><\/rect> <rect fill=\"#56ff56\" height=\"83\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"64\" x=\"3.95453\" y=\"162.88635\"><\/rect> <rect fill=\"#56ffff\" height=\"83\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"65\" x=\"90.95453\" y=\"162.88635\"><\/rect> <rect fill=\"#ffaa56\" height=\"83\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"105\" x=\"172.95453\" y=\"162.88635\"><\/rect> <rect fill=\"#ffff56\" height=\"83\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"105\" x=\"289.95453\" y=\"162.88635\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"175.95453\" x2=\"72.95453\" y1=\"38.88636\" y2=\"77.88636\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"174.95453\" x2=\"272.95452\" y1=\"39.88636\" y2=\"80.88636\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"280.95452\" x2=\"225.95453\" y1=\"114.88635\" y2=\"161.88635\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"69.95453\" x2=\"29.95453\" y1=\"112.88635\" y2=\"161.88635\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"120.95453\" x2=\"69.95453\" y1=\"161.88635\" y2=\"111.88635\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_14\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"341.95452\" x2=\"283.95452\" y1=\"161.88635\" y2=\"114.88635\"><\/line> <text fill=\"#ff0000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"152.95453\" xml:space=\"preserve\" y=\"31.88636\">D\u1eef li\u1ec7u<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"38.95453\" xml:space=\"preserve\" y=\"104.88636\">S\u1ed1 li\u1ec7u<\/text> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"276.95453\" xml:space=\"preserve\" y=\"105.88636\">?<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.95453\" xml:space=\"preserve\" y=\"188.88635\">S\u1ed1 li\u1ec7u<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"97.95453\" xml:space=\"preserve\" y=\"188.88635\">S\u1ed1 li\u1ec7u<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.95453\" xml:space=\"preserve\" y=\"220.88635\">liên t\u1ee5c<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_22\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"98.95453\" xml:space=\"preserve\" y=\"221.88635\">r\u1eddi r\u1ea1c<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_23\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.9253239631652831,0,0,1,16.915558764041634,0) \" x=\"172.95453\" xml:space=\"preserve\" y=\"184.88635\">không th\u1ec3 s\u1eafp<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_24\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"194.95453\" xml:space=\"preserve\" y=\"221.88635\">th\u1ee9 t\u1ef1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_25\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"317.95453\" xml:space=\"preserve\" y=\"221.88635\">th\u1ee9 t\u1ef1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_26\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(1.054344352748444,0,0,1,-21.294426153209262,0) \" x=\"306.98438\" xml:space=\"preserve\" y=\"184.88635\">có th\u1ec3 s\u1eafp<\/text> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> D\u1eef li\u1ec7u là ch\u1eef","B.<\/strong> D\u1eef li\u1ec7u ","C.<\/strong> D\u1eef li\u1ec7u không là s\u1ed1 li\u1ec7u"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn <\/span>C.<\/strong> D\u1eef li\u1ec7u không là s\u1ed1 li\u1ec7u<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-09 14:43:11","option_type":"txt","len":2}]}