Tài liệu Giải Toán 12 Bài 1 Chương 3 Khoảng Biến Thiên Khoảng Tứ Phân Vị Của Mẫu Số Liệu Ghép Nhóm. Phân loại: Phổ thông > Toán > Lớp 12. Chủ đề: Toán 12, Giải Toán 12 Cánh Diều. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

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background:rgb(255,255,0);mso-highlight:rgb(255,255,0)" >B&#192;l T&#7852;P B&#192;I 1 CH&#431;&#416;NG 3 TO&#193;N 12 C&#193;NH DI&#7872;U<o:p></o:p>C&#226;u 1.&nbsp;B&#7843;ng 8 bi&#7875;u di&#7877;n m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m v&#7873; s&#7889; ti&#7873;n (&#273;&#417;n v&#7883;: ngh&#236;n &#273;&#7891;ng) m&#224; 60 kh&#225;ch h&#224;ng mua s&#225;ch &#7903; m&#7897;t c&#7917;a h&#224;ng trong m&#7897;t ng&#224;y.<o:p></o:p><img width="226" height="278" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/0e65db428aa191/html-preview-assets/5efd66298e37fdaaafef.png" ><o:p>&nbsp;</o:p>a) Kho&#7843;ng bi&#7871;n thi&#234;n c&#7911;a m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m tr&#234;n l&#224;: A. 50 . B. 30 . C. 6. D. 69,8 .<o:p></o:p>b) Kho&#7843;ng t&#7913; ph&#226;n v&#7883; c&#7911;a m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m tr&#234;n l&#224;:<o:p></o:p>A. 50 . B. 40 . C. 14,21. D. 70,87 .<o:p></o:p>C&#226;u 2.&nbsp;B&#7843;ng 9 bi&#7875;u di&#7877;n m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m th&#7889;ng k&#234; m&#7913;c l&#432;&#417;ng c&#7911;a m&#7897;t c&#244;ng ty (&#273;&#417;n v&#7883;: tri&#7879;u &#273;&#7891;ng).<o:p></o:p>a) T&#237;nh kho&#7843;ng bi&#7871;n thi&#234;n c&#7911;a m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m &#273;&#243;.<o:p></o:p></div><div class="document-html-preview__page document-html-preview__page--word" data-page="2"><img width="238" height="331" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/0e65db428aa191/html-preview-assets/8c53a9e440a868f62b77.png" ><o:p>&nbsp;</o:p>C&#226;u 3.&nbsp;B&#7843;ng 10 bi&#7875;u di&#7877;n m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m v&#7873; &#273;&#7897; tu&#7893;i c&#7911;a c&#432; d&#226;n trong m&#7897;t khu ph&#7889;.<o:p></o:p>a) T&#237;nh kho&#7843;ng bi&#7871;n thi&#234;n c&#7911;a m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m &#273;&#243;.<o:p></o:p>b) T&#237;nh kho&#7843;ng t&#7913; ph&#226;n v&#7883; c&#7911;a m&#7851;u s&#7889; li&#7879;u gh&#233;p nh&#243;m &#273;&#243;.<o:p></o:p><img width="239" height="328" src="https://daythem.com/public/s3/user.document/user-system-generate/toan/lop-12/0e65db428aa191/html-preview-assets/b2a159b7b097cb19ec6a.png" ><o:p>&nbsp;</o:p></div></section>

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