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Transcript
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
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
c
2. Missing data is for more than one hour, & data from
alternate meter is unavailable
c
3. Uses data from the previous 3 weeks
a
4. Used if validated data from an alternate meter is available
b
5. Uses actual meter values of the previous and subsequent metering intervals
from the meter, and joins the two points with a straight line
c
6. Uses highest meter reading for loads; lowest meter reading for
generators
Revised: July 2012
Revenue Metering
Public
Page 29