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Taburan normal piawai..

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Ronaldinho11 This user has been deleted
Post time 31-7-2006 09:55 PM | Show all posts |Read mode
Bab ni cam menarik .. Aplikasi dalam kehidupan seharian??
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Post time 2-8-2006 02:10 PM | Show all posts
Yg add math form 5 tu ke??

Hm... jap yek... pikir dulu...

hmm...

sume bab kebarangkalian, diaplikasikan dalam satu kelompok data yg besar, walau apapun data itu... hahahha....

:lol :lol
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Ronaldinho11 This user has been deleted
 Author| Post time 2-8-2006 05:16 PM | Show all posts
org nak tau dr segi industri.. ada dak bebudak engine ke apa.. biasa dgn p'gunaan normal dist utk kawal kualiti keluaran sesebuah kilang?? leh trgkn sikit tak..
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Post time 2-8-2006 06:03 PM | Show all posts
kalo pakai standar mcm tu bahaya, ini adalah berkaitan dgn six sigma yang telah mngakibatkan sebuah kilang pembuat kipas kapal terbang tutup sbb disaman... kalo ikut jepun punya falsamah lagi baik zero defect
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Post time 2-8-2006 09:33 PM | Show all posts
nak tanya mengapa negara2 eropah tu masih guna unit PAUN untuk mengukur berat,kan SI dia KG ?
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Post time 2-8-2006 10:36 PM | Show all posts
Originally posted by Ronaldinho11 at 2-8-2006 05:16 PM
org nak tau dr segi industri.. ada dak bebudak engine ke apa.. biasa dgn p'gunaan normal dist utk kawal kualiti keluaran sesebuah kilang?? leh trgkn sikit tak..


emmm... kalau nak jaga kualiti jangka hayat... rasa teman pakai poison,
normal distribution; z= (X - M)/sigma cuma ada mean dan std deviation...maknanya ada research yg telah dilakukan sebelum tu... (pembaziran masa dan tenaga... tak tahu la kalau franchise)
btw, nak wat pa penin2... pakaila pensampelan tunggal ke, double sampling ke ... bukan ke senang
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Post time 3-8-2006 07:58 AM | Show all posts
sbb sesetengah negara eropah yg berpengaruh suka berbeza daripada org lain kot...
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Ronaldinho11 This user has been deleted
 Author| Post time 3-8-2006 06:13 PM | Show all posts
tq everybody..

... kalo ikut jepun punya falsamah lagi baik zero defect

blh ke dia buat barang tanpa sbrg kesilapan ..

... rasa teman pakai poison,

poison?? camana dia guna poison..

neway.. just wondering how they test their products like cars.. huhu.. specially kete yg tahan lama & byk spesifikasi..
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Post time 4-8-2006 10:53 PM | Show all posts
Originally posted by Ronaldinho11 at 3-8-2006 06:13 PM
tq everybody..

... kalo ikut jepun punya falsamah lagi baik zero defect

blh ke dia buat barang tanpa sbrg kesilapan ..

... rasa teman pakai poison,

poison?? camana dia guna poison..
...


teman masih tak faham apa yg miker ceiter sbonarnya...mmgla kbnyk. company jepun punya falsampah zero defect... tapi proses kerja QCnya masih pensampelan tunggal... susah nak tengok wat duoble sampling.... Walau apa pun SPC yg digunakan... probability untuk kesilapan masih ada... cuma countermeasure kesilapan yg berlaku tu... yg depa isytiharkan sbg. zero defect
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Post time 4-8-2006 11:01 PM | Show all posts
Originally posted by Ronaldinho11 at 3-8-2006 06:13 PM
... rasa teman pakai poison,

poison?? camana dia guna poison..
...


menggunakan data/research yg lepas ataupun research data yang baru (mungkin jugak comparison antara keduanya)... and then buat jangkaan...
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Post time 5-8-2006 12:00 AM | Show all posts

Reply #5 cucusaddam's post

setahu aku negara2 eropah kebanyakannya mmg guna SI...paun, inch, ft etc ni asal british...britain pon dah gunakan SI secara  meluas tapi imperial system masih digunakan...yg aku tau kat US & sstgh negara Caribbean  imperial unit masih meluas digunakan, kat US dipanggil 'U.S. customary units'...
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Post time 5-8-2006 09:16 AM | Show all posts
kati, cupak, gantang... itu MI, Malaysiana unite...
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Post time 16-11-2006 03:37 PM | Show all posts
ini adalah salah satu bab di dalam statistical process control (SPC)..

maksudnya normal distribution merupakan salah satu method yg digunakan didlm SPC utk determine adakah process yg dijalankan under control ataupun tak..ini merujuk kepada process pembuatan, penghasilan product..

Normal distribution = this pattern of graph would appear when many items in the population cluster at a central value..dan hanya beberapa je item yg jauh dari central value..

central value = adalah mean (jika populasi) dan average (jika sample)..istilah sahaja yg berbeza berdasarkan sample yg kita amik..cara kira tetap sama..

salah satu contoh aplikasi normal distribution seperti yg dikatakan diatas utk tgk samda process yg kita buat tu under control or not?

saya amik contoh specifikasi sesuatu product yg dihasilkan..data akan dikumpulkan dari sample yg diambil..then kita akan plot histogram..

dari histogram ini,kita boleh evaluate process kita as refer to the product yg within or out of spec.

jika graf yg kita dpt adalah normal distribution,thats mean process kira OK dan under control..

tp kalau data tu tersebar luas,lebih dari lower & upper spec,maksudnya process under control..

dan kalau semua data tertumpu di tengah2 (mean/average),tiada yg tersasar,maksudnya kita ni over control our process..

sebnrnya kalau xplain dgn picture lagi senang nak faham..insyaallah later on saya add pic..

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Post time 16-11-2006 07:18 PM | Show all posts

Reply #1 Ronaldinho11's post

apa term in english yer..... :stp:
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Post time 17-11-2006 08:54 AM | Show all posts
Originally posted by windmill at 16-11-2006 07:18 PM
apa term in english yer..... :stp:


Normal distribution...
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Post time 17-11-2006 08:22 PM | Show all posts
Originally posted by Ronaldinho11 at 31-7-2006 09:55 PM
Bab ni cam menarik .. Aplikasi dalam kehidupan seharian??



ni subjek statistil lam .. yg ader Binomial ngan Poisson ... Susah gak ...
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Post time 17-11-2006 08:23 PM | Show all posts
Ni content for Statistik Asas.. kalo x tau , susah lahh biler amik advance
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fireunicorn_85 This user has been deleted
Post time 19-11-2006 12:51 AM | Show all posts
aku dah lupaa
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Post time 20-11-2006 07:56 AM | Show all posts
yeah..topik ni dlm statistik..the basic statistic..pada saya masa belajar topik ni memang agak susah nak faham coz mcm tak nampak/faham application dia dlm real life..

tp bila dah pegi advanced course yg company buat,dan apply in work,rasanya ok..
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