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2009 Confidence Interval Detail
007/Atascosa
007-905/Pleasanton ISD

Category Summary

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

Stratum
Variance
A 91,675,766 0.9106 100,676,220 27 1,644 .085355579
A 88,404,104 0.8651 102,189,462 41 883 .041470357
A 91,838,770 0.9606 95,605,632 22 640 .029865691
A 86,214,290 1.0170 84,773,147 12 380 .036769840
D3 125,091,728 0.9682 129,200,297 17 4,661 .024926005
F1 16,494,180 0.9587 17,204,736 7 171 .057382466
F1 13,190,870 0.8945 14,746,641 6 55 .090572446
F1 18,991,920 0.9175 20,699,640 6 37 .015895000
F1 28,634,060 0.9198 31,130,746 3 19 .043844395
Random Totals: 560,535,688   596,226,521 141 8,490  
Catg J Exception Values: 30,224,651   34,314,531      
Catg D1 Exception Values: 27,428,119   27,943,602      
Total Test Values (4): 618,188,458   658,484,654      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,924,233

Confidence Interval Values (5)

Local Test Value: 618,188,458 (Outside Confidence Interval)
State Lower Limit: 625,560,421 (State Test Value minus Margin of Error Percent)
State Upper Limit: 691,408,887 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 665,478,870 (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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