i) The preferred method is to use statistically correlated indicators to impute the missing value of the given indicator.

i) The preferred method is to use statistically correlated indicators to impute the missing value of the given indicator.

If a assumes a value different from 0, however, he or she could impute the value of the old size in the current month by evaluating the estimated regression equation at the old size.

In such event, we only need to accept credit for the value of the cost savings and the benefits that we obtain from an alternative use of the unclaimed services, including any amounts refunded by the Service Providers.