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2011 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 9,760,523 0.8902 10,964,416 10 242 .011762872
A 9,510,110 1.0064 9,449,632 11 128 .013737701
A 10,919,120 1.0339 10,561,099 10 93 .033416635
A 11,024,780 1.1405 9,666,620 10 59 .015981675
D3 45,316,521 1.0046 45,109,020 15 1,977 .084776501
Random Totals: 86,531,054   85,750,787 56 2,499  
Catg J Exception Values: 2,835,287   2,846,945      
Catg D1 Exception Values: 9,567,442   9,420,770      
Total Test Values (4): 98,933,783   98,018,502      

Margin of Error

Margin of Error Percent: 7.1172543
Margin of Error Value: 6,976,226

Confidence Interval Values (5)

State Lower Limit: 91,042,276 (State Test Value minus Margin of Error Percent)
Local Test Value: 98,933,783 (Within Confidence Interval)
State Upper Limit: 104,994,728 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 106,874,175 (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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