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2010 Confidence Interval Detail
211/Sherman
171-902/Sunray ISD

Category Summary

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

Stratum
Variance
D3 2,923,100 0.9561 3,057,316 15 256 .000853456
G1 14,545,130 1.0005 14,537,861 8 35 .032774013
G1 14,850,110 1.0336 14,367,366 7 19 .062524572
G1 14,592,830 1.1121 13,121,869 6 13 .002106082
G1 13,386,289 1.0889 12,293,405 4 8 .004615477
Random Totals: 60,297,459   57,377,817 40 331  
Catg J Exception Values: 477,280   469,037      
Catg D1 Exception Values: 11,128,320   10,318,324      
Total Test Values (4): 71,903,059   68,165,178      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 3,408,259

Confidence Interval Values (5)

State Lower Limit: 64,756,919 (State Test Value minus Margin of Error Percent)
State Upper Limit: 71,573,437 (State Test Value plus Margin of Error Percent)
Local Test Value: 71,903,059 (Outside Confidence Interval)
Value Assigned (6): 78,438,373 (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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