Common use of Variance Estimation Clause in Contracts

Variance Estimation. (▇▇▇▇▇▇, VARSTR) 1. When pooling any year from 2002 or later, one can use the variance strata numbering as is. 2. When pooling any year from 1996 to 2001 with any year from 2002 or later, use the H36 file. 3. A new H36 file will be constructed in the future to allow pooling of 2007 and later years with 1996 to 2006.