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2011 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 6,779,840 1.0755 6,303,896 10 220 .074434522
A 6,519,740 1.0370 6,287,117 10 120 .011614422
A 6,345,140 1.0395 6,104,031 10 83 .008845710
A 7,048,390 1.0230 6,889,922 10 54 .016557780
D3 26,240,187 0.9621 27,273,867 15 1,623 .102876352
G1 10,828,821 0.9949 10,884,331 7 22 .002692222
G1 12,711,513 0.9996 12,716,600 4 6 .009996688
Random Totals: 76,473,631   76,459,764 66 2,128  
Catg J Exception Values: 3,572,110   3,777,926      
Catg D1 Exception Values: 16,557,900   15,016,976      
Catg G1 Exception Values: 16,056,713   15,418,961      
Total Test Values (4): 112,660,354   110,673,627      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,533,681

Confidence Interval Values (5)

State Lower Limit: 105,139,946 (State Test Value minus Margin of Error Percent)
Local Test Value: 112,660,354 (Within Confidence Interval)
State Upper Limit: 116,207,308 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 117,142,449 (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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