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2008 Confidence Interval Detail
249/Wise
184-902/Springtown ISD

Category Summary

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

Stratum
Variance
A 38,388,450 0.9902 38,768,380 13 352 .014685183
D3 57,760,080 0.8645 66,813,279 11 1,221 .150185374
G1 3,714,610 1.0107 3,675,284 5 21 .036701688
G1 4,459,840 1.1534 3,866,690 5 8 .007524314
Random Totals: 104,322,980   113,123,633 34 1,602  
Catg J Exception Values: 801,020   810,176      
Catg D1 Exception Values: 858,940   828,630      
Catg G1 Exception Values: 6,612,060   5,327,268      
Total Test Values (4): 112,595,000   120,089,707      

Margin of Error

Margin of Error Percent: 13.3876295
Margin of Error Value: 16,077,165

Confidence Interval Values (5)

State Lower Limit: 104,012,542 (State Test Value minus Margin of Error Percent)
Local Test Value: 112,595,000 (Within Confidence Interval)
State Upper Limit: 136,166,872 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 105,792,387 (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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