Selected article for: "sample size and standard deviation"
Author: Sun, Mei; Xu, Ningze; Li, Chengyue; Wu, Dan; Zou, Jiatong; Wang, Ying; Luo, Li; Yu, Mingzhu; Zhang, Yu; Wang, Hua; Shi, Peiwu; Chen, Zheng; Wang, Jian; Lu, Yueliang; Li, Qi; Wang, Xinhua; Bi, Zhenqiang; Fan, Ming; Fu, Liping; Yu, Jingjin; Hao, Mo
Title: The public health emergency management system in China: trends from 2002 to 2012
  • Document date: 2018_4_11
    • ID: 1s1e6457_8
    Snippet: where n is the number of the minimal sample size; αis the probability of type I error, and β is the probability of type II error, here α = 0.05,β = 0.05; u α and u β are standard normal distribution values corresponding to α and β respectively;σis the population standard deviation, hereσ = 404.3 yuan; δ is the allowable error. For municipal CDCs, δ = 54.9yuan, σ = 210.0 yuan. For county-level CDCs, δ = 62.5yuan, σ = 404.3yuan (1 U......
    Document: where n is the number of the minimal sample size; αis the probability of type I error, and β is the probability of type II error, here α = 0.05,β = 0.05; u α and u β are standard normal distribution values corresponding to α and β respectively;σis the population standard deviation, hereσ = 404.3 yuan; δ is the allowable error. For municipal CDCs, δ = 54.9yuan, σ = 210.0 yuan. For county-level CDCs, δ = 62.5yuan, σ = 404.3yuan (1 U.S. dollar = 6.6 yuan).

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