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2008 Confidence Interval Detail
065/Donley
065-901/Clarendon ISD

Category Summary

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

Stratum
Variance
A 10,646,962 0.9464 11,249,960 14 532 .032864996
A 11,059,793 0.9611 11,507,432 13 268 .010879764
A 11,955,175 0.9019 13,255,544 15 182 .027994910
A 14,247,770 0.9823 14,504,500 15 124 .001848856
D3 18,680,051 1.0036 18,613,044 18 2,872 .079873698
F1 2,682,628 0.9729 2,757,352 6 81 .003920366
F1 2,511,445 0.9568 2,624,838 8 24 .006262776
F1 2,651,607 0.8796 3,014,560 4 10 .001412606
Random Totals: 74,435,431   77,527,230 93 4,093  
Catg J Exception Values: 10,891,345   10,802,042      
Catg D1 Exception Values: 30,367,550   29,784,002      
Catg F1 Exception Values: 2,539,853   2,599,188      
Total Test Values (4): 118,234,179   120,712,462      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,035,623

Confidence Interval Values (5)

State Lower Limit: 114,676,839 (State Test Value minus Margin of Error Percent)
Local Test Value: 118,234,179 (Within Confidence Interval)
State Upper Limit: 126,748,085 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 115,842,869 (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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