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2008 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 10,178,665 0.8885 11,456,010 15 237 .107625604
A 9,708,700 1.0623 9,139,320 15 125 .023846590
A 9,339,610 0.8806 10,605,962 13 78 .014084800
A 9,061,365 0.9745 9,298,476 14 49 .041023527
D3 41,610,351 0.9810 42,416,260 20 1,975 .047697966
Random Totals: 79,898,691   82,916,028 77 2,464  
Catg J Exception Values: 8,755,855   8,943,403      
Catg D1 Exception Values: 9,738,028   8,769,294      
Total Test Values (4): 98,392,574   100,628,725      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,031,436

Confidence Interval Values (5)

State Lower Limit: 95,597,289 (State Test Value minus Margin of Error Percent)
Local Test Value: 98,392,574 (Within Confidence Interval)
State Upper Limit: 105,660,161 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 99,771,372 (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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