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2008 Confidence Interval Detail
025/Brown
025-901/Bangs ISD

Category Summary

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

Stratum
Variance
A 33,046,756 0.8885 37,193,873 16 1,077 .123726088
A 33,903,560 0.9367 36,194,683 19 532 .056615764
A 34,905,675 0.9236 37,793,065 17 309 .025394207
A 41,211,570 0.9666 42,635,599 17 174 .033193224
D3 60,928,732 0.8921 68,298,097 27 2,862 .073252185
Random Totals: 203,996,293   222,115,317 96 4,954  
Catg J Exception Values: 13,438,547   13,474,751      
Catg D1 Exception Values: 7,823,280   7,459,064      
Total Test Values (4): 225,258,120   243,049,132      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 12,152,457

Confidence Interval Values (5)

Local Test Value: 225,258,120 (Outside Confidence Interval)
State Lower Limit: 230,896,675 (State Test Value minus Margin of Error Percent)
State Upper Limit: 255,201,589 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 235,414,926 (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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