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2006 Confidence Interval Detail
007/Atascosa
007-901/Charlotte ISD

Category Summary

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

Stratum
Variance
A 4,444,984 0.9737 4,565,045 7 188 .003907219
A 4,404,666 0.9574 4,600,654 7 102 .011127632
A 4,411,389 0.9917 4,448,310 7 74 .005422533
A 4,400,388 0.9163 4,802,344 6 46 .010710288
D3 16,527,080 0.9575 17,260,658 20 1,696 .003659266
G1 4,055,774 0.9657 4,199,828 6 28 .013277375
G1 3,685,121 0.9844 3,743,520 4 8 .000124993
G1 4,512,497 1.0009 4,508,439 3 4 .000863125
Random Totals: 46,441,899   48,128,798 60 2,146  
Catg J Exception Values: 5,494,677   5,548,664      
Catg D1 Exception Values: 14,072,640   15,753,460      
Catg G1 Exception Values: 2,904,290   2,749,245      
Total Test Values (4): 68,913,506   72,180,167      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,609,008

Confidence Interval Values (5)

State Lower Limit: 68,571,159 (State Test Value minus Margin of Error Percent)
Local Test Value: 68,913,506 (Within Confidence Interval)
State Upper Limit: 75,789,175 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 70,547,217 (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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