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2010 Confidence Interval Detail
067/Eastland
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 3,269,900 1.0621 3,078,712 17 195 .032041991
A 3,299,780 0.9818 3,360,949 18 104 .013489744
A 4,686,090 0.8904 5,262,904 19 94 .018603667
A 6,359,030 0.9500 6,693,716 22 54 .012791251
D3 13,053,380 0.9450 13,813,101 37 1,035 .013687213
F1 884,310 1.0657 829,793 11 34 .012677414
F1 434,030 1.0022 433,077 6 6 .006765835
Random Totals: 31,986,520   33,472,252 130 1,522  
Catg J Exception Values: 3,544,888   3,564,853      
Catg D1 Exception Values: 3,053,220   2,865,408      
Catg F1 Exception Values: 1,745,170   1,782,029      
Total Test Values (4): 40,329,798   41,684,542      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,084,227

Confidence Interval Values (5)

State Lower Limit: 39,600,315 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,329,798 (Within Confidence Interval)
State Upper Limit: 43,768,769 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 44,989,515 (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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