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2008 Confidence Interval Detail
234/Van Zandt
234-904/Grand Saline ISD

Category Summary

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

Stratum
Variance
A 23,025,440 1.0594 21,734,416 14 540 .050230676
A 23,549,540 0.9542 24,679,878 14 347 .007287727
A 22,936,070 1.0145 22,608,250 12 246 .027225238
A 23,457,390 1.0321 22,727,827 12 165 .022934420
D3 89,322,780 0.8959 99,701,730 38 2,950 .146587048
F1 3,220,720 0.8750 3,680,823 9 71 .074758107
F1 3,846,830 0.7599 5,062,285 7 29 .107669988
F1 3,397,350 0.8522 3,986,564 5 9 .016989132
Random Totals: 192,756,120   204,181,773 111 4,357  
Catg J Exception Values: 9,337,899   9,269,539      
Catg D1 Exception Values: 6,112,580   3,683,822      
Catg F1 Exception Values: 2,987,820   3,384,205      
Total Test Values (4): 211,194,419   220,519,339      

Margin of Error

Margin of Error Percent: 5.8358818
Margin of Error Value: 12,869,248

Confidence Interval Values (5)

State Lower Limit: 207,650,091 (State Test Value minus Margin of Error Percent)
Local Test Value: 211,194,419 (Within Confidence Interval)
State Upper Limit: 233,388,587 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 215,093,006 (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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