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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 0.8944 239,640,034 9 14 .045608147
G1 225,836,689 1.0692 211,220,248 4 5 .013876615
Random Totals: 458,164,543   471,398,177 40 417  
Catg D1 Exception Values: 4,859,778   5,298,746      
Catg G1 Exception Values: 592,674,335   587,037,457      
Total Test Values (4): 1,055,698,656   1,063,734,380      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 53,186,719

Confidence Interval Values (5)

State Lower Limit: 1,010,547,661 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,055,698,656 (Within Confidence Interval)
State Upper Limit: 1,116,921,099 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,278,384,675 (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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