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2009 Confidence Interval Detail
064/Dimmit
064-903/Carrizo Springs CISD

Category Summary

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

Stratum
Variance
A 21,751,442 1.0173 21,381,541 7 1,216 .012745190
A 23,398,838 0.9264 25,257,813 7 645 .041146611
A 23,791,836 0.7855 30,288,779 7 388 .027001186
A 24,018,056 0.8830 27,200,516 7 194 .016879682
D3 68,055,914 0.9866 68,980,249 20 5,039 .007957566
F1 6,112,522 0.9719 6,289,250 7 162 .026689058
F1 6,829,842 0.9218 7,409,245 6 58 .008475650
F1 7,122,279 0.9447 7,539,197 5 24 .008351938
F1 5,756,172 0.9430 6,104,106 4 7 .000626111
G1 23,157,935 0.9967 23,234,609 12 92 .002597581
G1 24,181,772 1.0098 23,947,091 10 22 .003865852
G1 21,868,126 1.1231 19,471,219 5 9 .037424818
Random Totals: 256,044,734   267,103,615 97 7,856  
Catg J Exception Values: 18,097,233   18,736,633      
Catg D1 Exception Values: 63,452,892   67,727,654      
Catg G1 Exception Values: 22,428,892   21,514,294      
Total Test Values (4): 360,023,751   375,082,196      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 18,754,110

Confidence Interval Values (5)

State Lower Limit: 356,328,086 (State Test Value minus Margin of Error Percent)
Local Test Value: 360,023,751 (Within Confidence Interval)
State Upper Limit: 393,836,306 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 422,630,501 (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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