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2008 Confidence Interval Detail
248/Winkler
248-901/Kermit ISD

Category Summary

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

Stratum
Variance
A 9,491,763 0.7714 12,304,593 15 679 .144859324
A 15,661,580 1.0055 15,575,912 15 628 .127187101
A 19,121,480 1.0320 18,528,566 17 495 .074483734
A 28,836,750 0.9934 29,028,337 14 363 .019264136
G1 193,376,453 0.9917 194,994,911 15 203 .001077831
G1 195,760,581 1.0018 195,408,845 15 45 .000160359
G1 195,496,960 1.0569 184,972,050 14 16 .032904143
Random Totals: 657,745,567   650,813,214 105 2,429  
Catg J Exception Values: 13,998,473   13,826,779      
Catg D1 Exception Values: 760,689   2,651,515      
Catg G1 Exception Values: 180,124,299   180,602,982      
Total Test Values (4): 852,629,028   847,894,490      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 42,394,725

Confidence Interval Values (5)

State Lower Limit: 805,499,765 (State Test Value minus Margin of Error Percent)
Local Test Value: 852,629,028 (Within Confidence Interval)
State Upper Limit: 890,289,215 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,021,157,298 (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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