討論串[商管] [統計]-假設檢定
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Y~N(μ, σ^2) population size N=200, sample size n=20. Given Sum(Yi, i=1→20)=100, Sum(Yi-Ybar, i=1→20)=420,. Test H0= μy=6 v.s. H1= μy is not equal to 6
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2個問題請教一下各位. 1. A null hypothesis (A)must always be a simple hypothesis (B)will usually. be a composite hypothesis (C)will generally be maintained only
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小弟英文不好. 想請問一下. A random sample of n=15 parts is tested for strehgth. and sample mean=2.68 with known variation 0.81.. Also, the strength of all parts
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