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2006 Confidence Interval Detail
211/Sherman
211-902/Stratford ISD

Category Summary

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

Stratum
Variance
A 7,340,822 0.7371 9,959,058 9 272 .019060411
A 7,345,268 0.8963 8,195,100 7 152 .016272093
A 7,366,581 0.9365 7,866,077 10 104 .064816840
A 7,261,189 0.8698 8,348,113 6 58 .006457425
D3 10,110,626 0.6480 15,602,818 26 1,567 .218399072
G1 52,166,920 1.0000 52,166,920 15 147 .037560906
G1 51,643,020 1.0185 50,704,978 14 73 .034480820
G1 52,562,440 1.0831 48,529,628 13 48 .007194152
G1 51,206,080 1.0477 48,874,754 10 25 .008134680
Random Totals: 247,002,946   250,247,446 110 2,446  
Catg J Exception Values: 18,509,850   18,113,390      
Catg D1 Exception Values: 56,202,310   47,286,231      
Total Test Values (4): 321,715,106   315,647,067      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,782,353

Confidence Interval Values (5)

State Lower Limit: 299,864,714 (State Test Value minus Margin of Error Percent)
Local Test Value: 321,715,106 (Within Confidence Interval)
State Upper Limit: 331,429,420 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 387,955,393 (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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