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2008 Confidence Interval Detail
177/Nolan
221-905/Trent ISD

Category Summary

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

Stratum
Variance
D3 3,740,263 0.7478 5,001,689 14 244 .002430584
Random Totals: 3,740,263   5,001,689 14 244  
Catg J Exception Values: 3,926,676   3,995,587      
Catg D1 Exception Values: 1,586,350   2,031,902      
Total Test Values (4): 9,253,289   11,029,178      

Margin of Error

Margin of Error Percent: 5.0000009
Margin of Error Value: 551,459

Confidence Interval Values (5)

Local Test Value: 9,253,289 (Outside Confidence Interval)
State Lower Limit: 10,477,719 (State Test Value minus Margin of Error Percent)
State Upper Limit: 11,580,637 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 59,349,547 (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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