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2009 Confidence Interval Detail
186/Pecos
186-902/Fort Stockton ISD

Category Summary

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

Stratum
Variance
A 40,303,540 0.9632 41,843,376 10 1,426 .103979350
A 41,138,570 0.9609 42,812,540 8 768 .041255444
A 40,417,010 0.9645 41,904,624 8 473 .006113626
A 40,214,810 0.9271 43,376,993 8 285 .011234413
G1 322,575,377 0.9800 329,158,548 15 291 .026510464
G1 321,980,570 0.9588 335,816,197 15 77 .012728749
G1 326,668,176 0.9992 326,929,720 16 36 .000622673
G1 309,983,230 0.9788 316,697,211 11 14 .000578181
Random Totals: 1,443,281,283   1,478,539,209 91 3,370  
Catg J Exception Values: 34,761,130   33,409,006      
Catg D1 Exception Values: 16,863,890   42,156,457      
Total Test Values (4): 1,494,906,303   1,554,104,672      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 77,705,234

Confidence Interval Values (5)

State Lower Limit: 1,476,399,438 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,494,906,303 (Within Confidence Interval)
State Upper Limit: 1,631,809,906 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,079,577,375 (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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