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2006 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 10,732,182 0.8506 12,617,190 13 557 .092834487
A 10,760,032 0.9082 11,847,646 17 263 .019984500
A 10,703,300 0.9312 11,494,094 15 165 .028902853
A 10,687,843 0.9458 11,300,320 14 95 .012842205
D3 17,592,290 0.9162 19,201,364 20 2,819 .062368388
F1 1,929,174 0.8580 2,248,455 6 71 .082648443
F1 1,888,111 0.9973 1,893,223 5 24 .000899519
F1 1,974,370 0.9151 2,157,546 4 12 .002340967
F1 3,855,750 1.5043 2,563,152 3 6 .142041916
Random Totals: 70,123,052   75,322,990 97 4,012  
Catg J Exception Values: 11,626,471   11,694,159      
Catg D1 Exception Values: 28,485,810   28,836,811      
Total Test Values (4): 110,235,333   115,853,960      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,792,698

Confidence Interval Values (5)

State Lower Limit: 110,061,262 (State Test Value minus Margin of Error Percent)
Local Test Value: 110,235,333 (Within Confidence Interval)
State Upper Limit: 121,646,658 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 113,508,830 (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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