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2. Data Validation, Estimation and Edit
Skill Check
Questions: 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
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 28