Mai Thi Nggc An Tap chi KHOA HOC & CONG NGHE 120(06) 189 192 THlTC TRANG, VIEC GIANG DAY XAC SUAT THONG KE TAI TRirOfNG DAI HOC NONG LAM DAI HOC THAI NGUYEN Mai Thi Ngoc An* Truang Bai hgc Nong Ldm DH[.]
Mai Thi Nggc An Tap chi KHOA HOC & CONG NGHE 120(06): 189-192 THlTC TRANG, V I E C GIANG DAY XAC SUAT T H O N G KE TAI TRirOfNG DAI H O C NONG LAM- DAI H O C THAI NGUYEN Mai Thi Ngoc An* Truang Bai hgc Nong Ldm - DH Thdi Nguyen TOM TAT Nang luc van dung kien thiic cua xac suat thong ke (XSTK) nghien cuu khoa hgc cung nhu trong cong lac chuyen mon sau la mgt nhung nang luc dac thii khong thh thi^u ciia sinh vien ttudng Dai hgc Nong Lam Tren ca sd nghien cuu ket qua giang day mon hgc xac suat Ihong ke cho sinh vien trudng D?i hgc Nong lam-DHTN, bai bao da phan tich dua mpt s6 nguyen nhan chu quan va khach quan va de xuat mgt so bien phap cu the de nang cao chat lugng giang day hgc phan Tir khoa: Day hoc XSTK; Ndng luc ung dung XSTK; Ddi m&i phuang phdp day hgc XSTK DAT VAN DE Trudng Dai hoc Ndng lim - Dai hgc Thai Nguyen (DHNL) cd sii menh la dao lao can bg cd trinh dai hge va sau dai hpc, nghien cihi va chuyen giao khga hgc cong nghe ve linh vye ndng lam nghiep, phat trien ndng then va quan ly lai nguyen mdi Irudng, phuc vu phai Irien kinh le xa hpi cac litih Irung du, mien niii phia Bac Viel Nam Hien trudng DHNL dang trien khai dao lao 23 nganh Irinh dai hge, 07 nganh Irlnh Thac sy va 07 chuyen nganh Tien sT thugc lmh vyc ndng, lam, ngu nghiep, mdi irudng nham eung cap ngudn nhin luc cd Irinh dd cao cho dai nudc Irong dd chu yeu dia ban Irung du, mien nui phia Bac Trong chuang Irinb dio tao, vdi khdi kien thiic giao due dai euang ihi xac sual Ihong ke (XSTK) la bgc phin (HP) bit budc chung cho toan bp 23 nganh dag lao dai hge vdi thdi lugng hoac lin chi nham cung cip cho sinh vien (SV) nhung kien thirc ca ban nhit ve XSTK, qua dd hinh Ihanh nang van dung kien thiic XSTK vao cdng lac nghien ciiu khoa hgc va nghiep vu thupc linh vuc duge dao tao [2], Yeu cau dau ddi vdi SV sau hgc xong npi dung XSTK: Vc kien thirc: SV hieu duge eac van de sau: Email anvi9704@gmail.c - Giii tich td hgp, dinh nghia ve xac suit, cac djnh ly co bin ciia xac suit, bien ngiu nhien, cac tham sd dac trung va mdt sd quy luit phan phdi xac suit thdng dung; - Cac dang mau va cac tham so dae Irung: ky vgng mau, phugng sai miu, phuong sai dieu ehinh mau, lech mau, lech dieu chinh mau, tan sual mau - Bai loan ude lugng diam sd, bai loan kiem dinh gia thuyet thdng ke va bai loan luong quan bdi quy Ve ky nang: SV biel Ihue hien tinh loan eac dang bai loan ca ban: - Tinh xac sual bang djrdi nghla cd dien va cac dmh ly co ban - Lap bang phan phdi, ham phan phdi xac sual, tinh loan ky vgng, phuang sai; Tim ham mat thdng qua bam phin phoi va ngugc lai; Tinh xac suit ciia bien ngau nhien thdng qua ham mil dg, ham phin phoi Tinh cac tham sd dac tnmg eiia mau: ky vgng miu, phuong sai mau - Udc Iugng Iham sd va kiem dinh gii thuyet thdng ke, bai loan tuang quan hdi quy Ve kha nang van dung: SV bude dau vin dung duge cac kien Ihiie va ky nang duge Irang bi HP XSTK vao giai quyet cac bai loan eu the Ihudc lmh vuc Ihdng ke sinh hgc, kinh le va ndng lim nghiep 189 Mai Thi Ngpc An Tap chi KHOA HOC & CONG NGHE 120(06): 189-192 Bdng Ket qudtich luy tin chi hoc phdn XSTK BUm A Diem D Khiia KhWSV Diem F Diem B Diim C 41 A;330SV 25,15% 31,51% 21,21% 20,30 % 1,83% 25,80 % 41 B: 721 SV 13,04% 22,75 % 32,67 % 5,74 % 42 A: 607 SV 19,93 % 28,34 % 30,64 % 16,64% 4,45 % 42 B:991SV 27,96 % 6,76 % 9,79 % 25,57 % 29,92 % 43 A:562 SV 21,35% 20,11% 23,67% 20,28 % 14,59 % 43 B: 11I8SV 12,25 % 19,95% 25,58% 23,35 % 18,87% 44 A, B:564 SV 21,63% 15,96% 17,37% 22,52% 22,52 % T3ng 4821 SV 1133 1276 1084 557 772 (23,5 %) (26,48%) (22,48%) (11,54%) (16,1%) KET QUA HOC TAP HOC PHAN Xet ve goc dp dac thi* mdn hgc xdc suai thong ki XAC SUAT THONG KE CUA SINH VIEN Trong chuang trinh dao tao khda 41, 42, hgc Ndi dung XSTK lit ngi dung khd Mdt sd kiln phin XSTK duge thiit k8 rieng thiic cua hgc phin XSTK lien quan din ngi chuang trinh, dd chuang trinh danh cho dung cua cac hpc phan toan cao cap, dai si nhdm A (gdm cac nganh quan ly dat dai, phat tuyen tinh ma nhiing hpc phin vdn di SV trien ndng thdn, kinh te ndng nghiep, cdng thudng gap rit nhilu khd khan hpc tap Vdi quy thdi gian 45 tilt (30 tilt ly thuyit, 15 nghS Ihyc phim, bao quan va chd bi6n ndng tiet bai tap) ddi vdi cac nganh nhdm A, 30 tilt san) la 3TC, nhdm B (17 nganh cdn lai) lit (15 tiet ly thuyit, 15 tiet bai tap) ddi vdi eae TC, Tir khda 44 \k day hgc phin XSTK duge nganh nhdm B, nhimg chuang trinh lai bao giang day chung cho hai nhdm A, B vdi khdi ham cac kiln thiic co ban ciia XSTK nen lugng TC K6t qua hgc tap XSTK thdi khdng du thdi gian de truyin tai ky kien thiic gian gan diy [3] th^ hien d bang tren cung nhu ren luyen cac ky nang (trong dao Phan tieh thyc trang kel qua tich luy tin chi ta thiy: tao nien che trudc day, ngi dung duge - Theo quy chg dao tao hgc ch6 lin thi chi 557 giang day vdi quy thdi gian 75 tilt cho SV SV bj diSm F bit budc phai hgc lai (chiim ty nhdm A va 60 rilt cho SV nhdm B) [2] le 11,54%) Xet vegdc dp ngudi hoc - Nhirng SV dat di6m D (chiim ty le 22,48%) Trudc het cd the kl din mpt sd nguyen nhan eung khdng cd y nghTa nhieu v6 mat tich luy nhu: Mat bing trinh dg SV ciia Irudng DHNL tin chi vi diem D duoc quy ddi diSm tich edn rit nhieu han chl, ty le SV thugc chl ICiy la cur tuyen, 30A chiim mpt ty le khdng nho; Hpc phan XSTK duge giang day d nam hpe - Mudn tdt nghiep dai hgc thi trung binh thii nhat nen SV chua bit nhjp duge vdi each chung tich luy ciia SV phai dat tir 2,0 trd len hpc d dai hgc, d&c biet la SV khdng eo nen thuc te nhirng SV thugc nhdm tuyet phuong phap ty hpc phii hgp dai da so vin phai hpc cai thien d6 cd the tich Tuy nhien theo chiing toi, nguyen nhan chinh liiy duge diSm C (quy ddi diem tich liiy la diri din kit qua hpc lap mdn XSTK rit han 2) Nhu viy, thuc chit la cd din 34% sd SV chl la SV khdng cd dgng ca hgc tip SV ehua dat yeu ciu hgc mdn XSTK chua nhan thiic duge rd rang vai trd, y nghTa NGUYEN NHAN DAN DEN NHLTNG HAN ciia cac kien thirc, ky nang ma qua qua trinh CHE TRONG DAY HOC xAC S U A T hpc mdn XSTK SV tich luy duge doi vdi THONG KE cdng tac chuyen mdn sau Thuc te cho thay kit qua giang day hgc phan Xdt vigdc dp phuang pitdp day hpc XSTK d trudng DHNL thdi gian qua chua dat Vice giang day hpc phin XSTK khoa duge nhu mong mudn, theo chiing tdi thyc Khoa hpc co ban trudng DHNL dim nhan trang Iren bit ngudn tir cac nguyen nhan Dpi ngu giang vien gdm 8, cd TS, chinh sau: 190 Mai Thi Nggc An Tap chi KHOA HOC & CONG NGHE Ths Cac dieu kien giing day nhu giao trinh, bai giang, phdng hgc da nang ludn duoc nha trudng diu tu Tuy nhien: - Viec diu tu ddi mdi phuang phap day hgc ndi chung, day hpc hpc phin XSTK chua thyc sy cd hieu qua, tham chi ddi cdn hinh thiic - Chua xac dinh duge nhutig bien phap su pham dac thu phu hgp vdi ddi tugng SV Giang vien lap Irung vao thuyet trinh ly thuyet, chua chii y den viec giiip SV van dung ly thuyet vao bai tap va dua cac bien phap hudng din va kiem Ira chat Iugng tu hgc cua SV mgt each hieu qua - Chua xay dyng duge mdt chuang Irinh XSTK pbii bop vdi md hinh dao lao lin chi Chuang trinh hgc phan XSTK bien chu yeu tap tmng vao he thdng kien tbiic chimg Chua cd nhirng ndi dimg gan vdi nghe nghiep Dac biel chua lam ro duoc mdi lien he giiia kien Ihue hgc phan XSTK vdi cdng tac NCKH va nghiep vu sau ciia nganh nghe ma SV dang theo hgc nen khdng tao duge ddng eg va giy duge hiing thii hge lap cho SV KET LUAN De nang cao chat lugng giang day ngi dung XSTK trudng DHNL ddi hdi phii co cac giai phap ddng bd, theo chiing tdi mdt Irong nhil'ng giai phap can xem xel, dau lu la: 120(06): 18 - Xiy dung mdt ebucmg Irinh XSTK phu hgp, the hien rd dac thii ciia viec van dung XSTK khoa hpc ndng nghiep va cac bai loan thudng gap ITnh vyc ndng, lam, ngu nghiep - Diu tu, bdi dudng mgt dgi ngii giang vien duge dao tao sau ve chuyen nganh XSTK tihu cit giang vien di dao lao Thac sy, Tien sT ve chuyen nganh Toan ung dung va lam luan van, luan an ve XSTK de dam bio co mgl ddi ngii day XSTK manh - Can bd giing day mdn XSTK cin diu tu nghien eiiu ve khoa hgc giao due de cd dii nang luc gdp phan tao mdt sy dot bien ddi mdi phuong phap day hgc ndi ehung, day hge XSTK ndi rieng eho SV theo dinh hudng lang cudng bdi dudng nang lye ling dung Iri tbiic XSTK vao cdng tac nghien ciiu khoa hgc ndng nghiep ciing nhu cdng tie sau sinh vien trudng TAI LIEU THAM KHAO Trin Kiiu (1988) Ndi dung vd phucmg phdp dgy hgc thdng ki md td chucmg trinh todn cdi cdch a trudng phd thdng casd Viet Nam Luan an tiin sT khoa hgc giao duc-Vien Khoa hoc Giao due, HaNgi Chuong Irinh khung hgc phdn xdc sudt thdng ke hien hdnh Trudng DHNL-DHTN S6 lieu thing ke ciia phong Dao tao, trudng DHNL-DHTN Mai Thi Nggc An Tap chi KHOA HOC & CONG NGHE 120(06): SUMMARY THE TEACHING SITUATION OF PROBABILITY AND STATISTICS IN C O L L E G E O F A G R I C U L T U R E A N D F O R E S T R Y - T N U Mai Tbi Ngoc An' College ofAgricullure and Foresiry - TNU Some basic subjects in science such as: Matthematics, Physics, Chemistry and Biology are important knowledge that provides for undergraduate students essential skills for learning specialized courses every major Students in the sector of Agriculture and Forestry are no exception Particularly, probality and statistics play a crucial role in establishing these skills This paper is devoted for presenting and analyzing the teaching results of this subject for undergraduate students in University of Agriculture and Forestry - Thai Nguyen University in order to find out and recommend some appropriate solutions to enhance the performance of teaching in module probably and statistics Keywords: probability and statistics teaching, skill of probability and statistics learning Ngdy nhdn bdi 12/3/2014; Ngdyphdn bien:28/3/2014; Ngdy duyet ddng: 09/6/2014 Phdn bien khoa hpc: PGS TS Trinh Thanh Hdi - Tnrdng Dgi hoc Khoa hoc - DHTN Email, anvi9704@gmail.com 192