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
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)