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2011 Confidence Interval Detail
110/Hockley
110-901/Anton ISD

Category Summary

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

Stratum
Variance
A 3,692,630 0.9522 3,877,998 10 184 .006064443
A 3,649,720 0.9720 3,754,856 10 88 .002181984
A 3,472,550 0.9681 3,586,974 10 57 .005047392
A 3,455,760 0.9228 3,744,863 10 31 .003248939
D3 7,869,711 1.0095 7,795,652 17 476 .003470348
G1 8,216,910 0.9777 8,404,326 7 12 .057951873
Random Totals: 30,357,281   31,164,669 64 848  
Catg J Exception Values: 749,700   548,272      
Catg D1 Exception Values: 8,574,610   10,216,215      
Total Test Values (4): 39,681,591   41,929,156      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 2,096,458

Confidence Interval Values (5)

Local Test Value: 39,681,591 (Outside Confidence Interval)
State Lower Limit: 39,832,698 (State Test Value minus Margin of Error Percent)
State Upper Limit: 44,025,614 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,343,777 (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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