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2011 Confidence Interval Detail
047/Comanche
067-904/Gorman ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 741,220 0.9665 766,912 10 16 .013819950
D3 5,788,992 1.0207 5,671,590 23 472 .003977593
G1 572,527 1.1101 515,744 9 24 .059718780
Random Totals: 7,102,739   6,954,246 42 512  
Catg J Exception Values: 130,671   429,360      
Catg D1 Exception Values: 2,332,145   2,309,366      
Total Test Values (4): 9,565,555   9,692,972      

Margin of Error

Margin of Error Percent: 5.0000041
Margin of Error Value: 484,649

Confidence Interval Values (5)

State Lower Limit: 9,208,323 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,565,555 (Within Confidence Interval)
State Upper Limit: 10,177,621 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,852,283 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories

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