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2007 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 29,844,054 0.7782 38,350,108 7 1,415 .013375578
A 29,906,813 0.8441 35,430,415 7 731 .034190237
A 29,788,177 0.8022 37,133,105 7 439 .032703722
A 29,805,860 0.8672 34,370,226 7 266 .009369827
G1 294,711,870 0.9696 303,952,011 12 193 .007066977
G1 296,126,187 0.9396 315,161,970 11 56 .013749138
G1 297,239,725 0.9165 324,320,486 9 29 .005674987
G1 290,156,637 0.9695 299,284,824 7 14 .039983176
Random Totals: 1,297,579,323   1,388,003,145 67 3,143  
Catg J Exception Values: 34,316,162   33,208,694      
Catg D1 Exception Values: 17,095,120   35,590,912      
Total Test Values (4): 1,348,990,605   1,456,802,751      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 72,840,138

Confidence Interval Values (5)

Local Test Value: 1,348,990,605 (Outside Confidence Interval)
State Lower Limit: 1,383,962,613 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,529,642,889 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,665,988,879 (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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