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2010 Confidence Interval Detail
231/Upton
231-901/McCamey ISD

Category Summary

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

Stratum
Variance
A 5,710,820 0.8395 6,802,644 14 330 .042385130
A 6,467,970 0.8851 7,307,615 15 210 .021060005
A 6,571,850 0.9556 6,877,198 14 133 .019134773
A 6,825,820 0.9331 7,315,207 10 75 .015238298
G1 309,979,169 1.1031 281,007,315 11 216 .043847359
G1 310,882,771 1.0243 303,507,538 9 75 .013606759
G1 409,431,054 1.0416 393,078,969 7 23 .000409443
Random Totals: 1,055,869,454   1,005,896,486 80 1,062  
Catg J Exception Values: 11,505,100   11,794,498      
Catg D1 Exception Values: 1,150,591   777,283      
Catg G1 Exception Values: 200,928,771   204,365,893      
Total Test Values (4): 1,269,453,916   1,222,834,160      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 61,141,708

Confidence Interval Values (5)

State Lower Limit: 1,161,692,452 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,269,453,916 (Within Confidence Interval)
State Upper Limit: 1,283,975,868 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,529,022,230 (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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