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2006 Confidence Interval Detail
069/Edwards
069-901/Rocksprings ISD

Category Summary

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

Stratum
Variance
A 3,456,427 0.9517 3,631,845 6 225 .008413108
A 3,469,983 1.0118 3,429,515 7 121 .002113341
A 3,441,552 0.8820 3,901,986 6 79 .016819967
A 3,421,465 0.9351 3,658,930 6 49 .020105827
D3 49,179,696 0.9596 51,250,204 22 5,920 .055881680
G1 41,251,532 0.9420 43,791,435 10 171 .031601187
G1 42,311,263 0.9824 43,069,282 9 59 .002426824
G1 41,112,518 0.9983 41,182,528 7 17 .000124078
G1 40,131,991 0.9881 40,615,313 3 5 .001158395
Random Totals: 227,776,427   234,531,038 76 6,646  
Catg J Exception Values: 13,256,734   13,695,921      
Catg D1 Exception Values: 33,240,646   35,228,663      
Total Test Values (4): 274,273,807   283,455,622      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,172,781

Confidence Interval Values (5)

State Lower Limit: 269,282,841 (State Test Value minus Margin of Error Percent)
Local Test Value: 274,273,807 (Within Confidence Interval)
State Upper Limit: 297,628,403 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 298,418,454 (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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