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2009 Confidence Interval Detail
048/Concho
048-901/Eden CISD

Category Summary

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

Stratum
Variance
A 4,078,340 0.9503 4,291,634 10 238 .052262927
A 4,070,490 0.8000 5,088,112 7 121 .141645294
A 4,064,760 0.9069 4,482,038 8 77 .112184226
A 3,879,540 0.9359 4,145,251 8 45 .019936964
D3 18,955,860 0.9373 20,223,898 22 2,779 .031510849
G1 7,687,419 1.0332 7,440,398 15 35 .008455982
G1 9,005,944 1.0260 8,777,723 8 10 .009723369
Random Totals: 51,742,353   54,449,054 78 3,305  
Catg D1 Exception Values: 26,842,180   29,517,510      
Catg G1 Exception Values: 21,416,045   21,908,970      
Total Test Values (4): 100,000,578   105,875,534      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 5,293,777

Confidence Interval Values (5)

Local Test Value: 100,000,578 (Outside Confidence Interval)
State Lower Limit: 100,581,757 (State Test Value minus Margin of Error Percent)
State Upper Limit: 111,169,311 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 140,995,416 (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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