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2007 Confidence Interval Detail
110/Hockley
110-907/Sundown ISD

Category Summary

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

Stratum
Variance
A 4,509,169 0.7880 5,722,296 7 196 .015775058
A 4,535,805 0.9280 4,887,721 7 95 .004226797
A 4,460,964 0.8753 5,096,497 6 63 .009706445
A 4,487,870 0.9289 4,831,381 7 44 .003289044
G1 214,334,046 0.7256 295,388,707 9 14 .177599775
G1 225,836,689 0.8155 276,930,336 4 5 .090554615
Random Totals: 458,164,543   592,856,938 40 417  
Catg D1 Exception Values: 4,859,778   5,407,982      
Catg G1 Exception Values: 592,674,335   739,077,612      
Total Test Values (4): 1,055,698,656   1,337,342,532      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 66,867,127

Confidence Interval Values (5)

Local Test Value: 1,055,698,656 (Outside Confidence Interval)
State Lower Limit: 1,270,475,405 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,404,209,659 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,561,601,688 (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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