The variance of the CTE (x/b_z) is the variance of a ratio eg Var(R/S) and hence can be derived by a Taylor expansion as per the following reference. See below:

Note 21 Apr 2018 (2)ratio

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# Variance of the Corrected Treatment Effect

ratio

Statistics without Probability 2015

By Dr Mithlesh Dronavalli dr.mit@me.com

The variance of the CTE (x/b_z) is the variance of a ratio eg Var(R/S) and hence can be derived by a Taylor expansion as per the following reference. See below:

Note 21 Apr 2018 (2)ratio

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