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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Biometrics. 2012 Sep;68(3):983–989. doi: 10.1111/j.1541-0420.2011.01723.x
Group 1 Group 2 Group k Total
>̂ θpool 11 21 k1 1
≤̂ θpool 12 22 k2 2

Total n1 n2 nk N