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2009 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 5,254,730 0.8183 6,421,520 7 330 .076917003
A 6,185,230 0.7996 7,735,405 7 217 .025671624
A 5,996,940 0.9405 6,376,332 7 130 .011071700
A 6,868,240 0.8465 8,113,692 6 79 .012056156
G1 271,355,388 0.9834 275,935,924 7 211 .016774470
G1 275,174,941 1.0066 273,370,694 6 74 .001124149
G1 371,237,249 1.0189 364,351,015 5 24 .005040566
Random Totals: 942,072,718   942,304,582 45 1,065  
Catg D1 Exception Values: 1,148,180   1,094,742      
Catg G1 Exception Values: 164,855,361   173,170,681      
Total Test Values (4): 1,108,076,259   1,116,570,005      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 55,828,500

Confidence Interval Values (5)

State Lower Limit: 1,060,741,505 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,108,076,259 (Within Confidence Interval)
State Upper Limit: 1,172,398,505 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,404,118,983 (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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