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2. Data Validation, Estimation and Edit
Skill Check – Answer Key: Data Estimation
Select the correct estimation method from Column B for each item in Column A:
Column A
Column B
1. Missing data is for one hour or less, & data from
an alternate meter is unavailable
a) Substitution
b) Point-to-point
c) Historical
2. Missing data is for more than one hour, & data from
alternate meter is unavailable
3. Uses data from the previous 3 weeks
4. Used if validated data from an alternate meter is available
5. Uses actual meter values of the previous and subsequent metering intervals
from the meter, and joins the two points with a straight line
6. Uses highest meter reading for loads; lowest meter reading for
Revised: July 2012
Revenue Metering
Page 29