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2009 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 13,894,496 0.8925 15,568,063 17 460 .052137899
A 14,111,769 0.9362 15,073,455 11 267 .076859662
A 13,503,020 0.8891 15,187,291 7 155 .025523083
A 14,330,857 0.8772 16,337,046 7 103 .040811552
D3 9,927,522 0.8465 11,727,728 5 1,203 .016114547
G1 33,872,690 0.9709 34,887,929 11 152 .017055478
G1 33,706,060 0.9606 35,088,549 10 72 .006295675
G1 34,374,100 0.9697 35,448,180 10 43 .011666230
G1 33,014,270 1.0954 30,139,009 8 23 .004080509
Random Totals: 200,734,784   209,457,250 86 2,478  
Catg J Exception Values: 8,224,650   7,316,386      
Catg D1 Exception Values: 27,083,802   27,757,623      
Total Test Values (4): 236,043,236   244,531,259      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,226,563

Confidence Interval Values (5)

State Lower Limit: 232,304,696 (State Test Value minus Margin of Error Percent)
Local Test Value: 236,043,236 (Within Confidence Interval)
State Upper Limit: 256,757,822 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 290,165,491 (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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