
2
MC LC
1. Khái nim v các bin sinh hc..............................................................................5
1.1. Các vn ñ s ñ cp ti .......................................................................................5
1.2. Thng kê sinh hc là gì? .......................................................................................5
1.3. Các dng bin trong sinh hc ...............................................................................6
1.4. Bài tp:..................................................................................................................7
2. Tóm tt và trình bày các d liu............................................................................8
2.1. Các vn ñ s ñ cp ti .......................................................................................8
2.2. Gii thiu ..............................................................................................................8
2.3. Phân phi tn sut ................................................................................................8
2.4. Các s ño v v trí và mc ñ phân tán...............................................................12
2.5. Bài tp .................................................................................................................19
2.6. Bài kim tra s 1 .................................................................................................20
2.7. Các thut ng ting Anh - Vit............................................................................20
3. Kim ñnh gi thit................................................................................................21
3.1. Gi thit nghiên cu............................................................................................21
3.2. Kim ñnh 1 mu .................................................................................................22
3.3. Khong tin cy ca trung bình qun th............................................................. 28
3.4. So sánh 2 mu bng phép th t ..........................................................................31
3.5. So sánh cp ñôi bng phép th t .........................................................................38
3.6. Bài kim tra s 2 .................................................................................................41
3.7. So sánh nhiu mu bng phân tích phương sai ..................................................42
3.8. Bài kim tra s 3 .................................................................................................52
3.9. Kim ñnh khi bình phương và so sánh các t l.................................................53
3.10. Kim ñnh mt t l.........................................................................................53
3.11. So sánh 2 t l (các mu ñc lp) ...................................................................55
3.12. Bài kim tra s 4 .............................................................................................61
4. Ph lc....................................................................................................................62
5. Tài liu tham kho ................................................................................................70
5.1. Ting Vit ............................................................................................................70
5.2. Ting Anh ............................................................................................................70
5.3. Ting Nga............................................................................................................70
5.4. Ting Pháp ..........................................................................................................70