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2009 Confidence Interval Detail
166/Milam
166-905/Thorndale ISD

Category Summary

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

Stratum
Variance
A 9,671,373 0.9814 9,854,670 16 238 .102357642
A 9,492,990 1.0214 9,294,096 16 128 .049226989
A 9,703,860 1.0042 9,663,274 15 84 .024526146
A 10,040,990 1.1403 8,805,569 15 55 .008498696
D3 38,899,130 0.9574 40,629,967 25 1,982 .069008047
Random Totals: 77,808,343   78,247,576 87 2,487  
Catg J Exception Values: 8,383,020   8,406,494      
Catg D1 Exception Values: 10,155,667   8,612,370      
Total Test Values (4): 96,347,030   95,266,440      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,763,322

Confidence Interval Values (5)

State Lower Limit: 90,503,118 (State Test Value minus Margin of Error Percent)
Local Test Value: 96,347,030 (Within Confidence Interval)
State Upper Limit: 100,029,762 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 97,675,552 (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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