Bảng tần số, tần số tương đối ghép nhóm và biểu đồ

Home Lớp 9 Toán lớp 9 - Sách Kết nối tri thức Bài 24. Bảng tần số, tần số tương đối ghép nhóm và biểu đồBài tập cơ bản

{"common":{"save":0,"post_id":"7960","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10067","post_id":"7960","mon_id":"1159278","chapter_id":"1159331","question":"Nhóm s\u1ed1 li\u1ec7u [x; y) là nhóm g\u1ed3m các s\u1ed1 li\u1ec7u:<\/p>","options":["A.<\/strong> l\u1edbn h\u01a1n x, nh\u1ecf h\u01a1n y","B.<\/strong> l\u1edbn h\u01a1n x, nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng y","C.<\/strong> l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng x, nh\u1ecf h\u01a1n y","D.<\/strong> l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng x, nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng y"],"correct":"3","level":"1","hint":"","answer":"Ch\u1ecdn C.<\/strong> l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng x, nh\u1ecf h\u01a1n y<\/span><\/p>Nhóm s\u1ed1 li\u1ec7u [x; y) là nhóm g\u1ed3m các s\u1ed1 li\u1ec7u l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng x, nh\u1ecf h\u01a1n y<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-01-25 06:58:29","option_type":"txt","len":2},{"id":"10068","post_id":"7960","mon_id":"1159278","chapter_id":"1159331","question":"Bi\u1ec3u \u0111\u1ed3 t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm d\u1ea1ng c\u1ed9t là<\/p>","options":["A.<\/strong> bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i.","B.<\/strong> bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm.","C.<\/strong> bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t li\u1ec1n nhau dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i.","D.<\/strong> bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t li\u1ec1n nhau dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm."],"correct":"4","level":"1","hint":"","answer":"Ch\u1ecdn D.<\/strong> bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t li\u1ec1n nhau dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm.<\/span><\/p>Bi\u1ec3u \u0111\u1ed3 t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm d\u1ea1ng c\u1ed9t là bi\u1ec3u \u0111\u1ed3 g\u1ed3m các c\u1ed9t li\u1ec1n nhau dùng \u0111\u1ec3 bi\u1ec3u di\u1ec5n b\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-01-25 07:00:03","option_type":"txt","len":3},{"id":"10069","post_id":"7960","mon_id":"1159278","chapter_id":"1159331","question":"B\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm là:<\/p>","options":["A.<\/strong> b\u1ea3ng ghi l\u1ea1i t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t\u1ed5ng các nhóm s\u1ed1 li\u1ec7u.","B. <\/strong>b\u1ea3ng ghi l\u1ea1i t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a m\u1ed9t s\u1ed1 nhóm s\u1ed1 li\u1ec7u.","C. <\/strong>b\u1ea3ng ghi l\u1ea1i giá tr\u1ecb c\u1ee7a t\u1ea5t c\u1ea3 các nhóm s\u1ed1 li\u1ec7u.","D.<\/strong> b\u1ea3ng ghi l\u1ea1i giá tr\u1ecb th\u1ef1c c\u1ee7a các nhóm s\u1ed1 li\u1ec7u."],"correct":"1","level":"1","hint":"","answer":"Ch\u1ecdn A.<\/strong> b\u1ea3ng ghi l\u1ea1i t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t\u1ed5ng các nhóm s\u1ed1 li\u1ec7u.<\/span><\/p>B\u1ea3ng t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i ghép nhóm là b\u1ea3ng ghi l\u1ea1i t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t\u1ed5ng các nhóm s\u1ed1 li\u1ec7u.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-01-25 07:01:42","option_type":"txt","len":3}]}