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2007 Confidence Interval Detail
098/Hansford
098-904/Spearman ISD

Category Summary

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

Stratum
Variance
A 12,462,718 0.8452 14,745,289 13 461 .109526228
A 12,437,278 0.8680 14,328,661 7 263 .015686153
A 12,465,462 0.8288 15,040,374 7 160 .032278285
A 12,421,641 0.9470 13,116,833 7 100 .011198852
D3 10,684,123 0.9997 10,687,329 12 1,836 .022344680
G1 50,501,924 0.8858 57,012,784 15 237 .033566482
G1 50,527,303 0.9248 54,635,925 15 111 .105581891
G1 50,155,371 0.9746 51,462,519 15 67 .064886272
G1 50,145,453 1.1218 44,700,885 12 31 .024368439
Random Totals: 261,801,273   275,730,599 103 3,266  
Catg J Exception Values: 13,835,797   10,408,695      
Catg D1 Exception Values: 27,843,514   33,469,432      
Total Test Values (4): 303,480,584   319,608,726      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,980,436

Confidence Interval Values (5)

Local Test Value: 303,480,584 (Outside Confidence Interval)
State Lower Limit: 303,628,290 (State Test Value minus Margin of Error Percent)
State Upper Limit: 335,589,162 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 372,198,390 (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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