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2006 Confidence Interval Detail
229/Tyler
229-903/Woodville ISD

Category Summary

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

Stratum
Variance
A 33,369,282 0.9787 34,095,517 17 1,529 .052460379
A 33,367,324 0.9393 35,523,607 13 752 .077435906
A 33,394,330 0.9035 36,961,074 11 488 .006497233
A 33,285,767 0.9734 34,195,364 10 285 .009305061
D3 44,965,552 0.9261 48,553,668 10 3,300 .016830290
F1 7,441,975 0.9892 7,523,226 7 137 .003262250
F1 7,518,618 0.9674 7,771,985 6 46 .000561538
F1 7,743,432 0.9233 8,386,691 5 15 .014168071
G1 228,452,383 0.9991 228,658,175 10 32 .000177725
Random Totals: 429,538,663   441,669,307 89 6,584  
Catg D1 Exception Values: 32,827,225   42,737,864      
Catg F1 Exception Values: 2,804,580   2,781,340      
Total Test Values (4): 465,170,468   487,188,511      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 24,359,426

Confidence Interval Values (5)

State Lower Limit: 462,829,085 (State Test Value minus Margin of Error Percent)
Local Test Value: 465,170,468 (Within Confidence Interval)
State Upper Limit: 511,547,937 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 484,393,128 (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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