Architecture
°ÇÃà Architecture


Åë°è(statistic), ¿ÀÂ÷ ÇÑ°è (margin of error)

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Åë°èÇп¡¼­ ¿ÀÂ÷ÇÑ°è(MOE)´Â ¸ð¼ö¿¡ ´ëÇÑ ±¸°£ÃßÁ¤À» ÇÒ ¶§, ½Å·Ú±¸°£ÀÇ ³¡(ÇÑ°è)°ú ¸ð¼ö »çÀÌÀÇ ÃÖ´ëÂ÷À̸¦ ¸»ÇÑ´Ù.

MOE = z*¥ò/sqr(n)

z : z-score
¥ò : Ç¥ÁØÆíÂ÷
n : ÀÚ·á ¼ö

½Å·Ú¼öÁØ(%)¿¡ µû¸¥ z °ª

90% : 1.64
91% : 1.7
92% : 1.75
93% : 1.81
94% : 1.88
95% : 1.96
96% : 2.05
97% : 2.17
98% : 2.33
99% : 2.58

*** Âü°í¹®Çå[References] ***

https://terms.naver.com/entry.naver?docId=3405240&cid=47324&categoryId=47324
https://en.wikipedia.org/wiki/Standard_normal_table
MOE = z*¥ò/sqr(n)
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