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2009 Confidence Interval Detail
126/Johnson
126-911/Godley ISD

Category Summary

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

Stratum
Variance
A 37,934,681 0.9109 41,645,275 10 630 .036113644
A 31,651,675 1.0379 30,495,881 7 370 .076005058
A 37,637,860 0.8874 42,413,635 9 288 .004041475
A 37,484,197 0.9620 38,964,862 14 167 .016002929
D3 62,880,156 1.0676 58,898,610 12 1,495 .053916284
G1 154,694,286 1.0188 151,839,700 7 161 .004943743
G1 153,085,520 1.0023 152,734,231 6 77 .001580657
G1 155,691,751 1.0135 153,617,909 6 56 .001644025
G1 150,421,642 0.9526 157,906,406 6 36 .022081296
Random Totals: 821,481,768   828,516,509 77 3,280  
Catg J Exception Values: 21,506,374   24,654,088      
Catg D1 Exception Values: 5,420,787   3,683,809      
Total Test Values (4): 848,408,929   856,854,406      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,842,720

Confidence Interval Values (5)

State Lower Limit: 814,011,686 (State Test Value minus Margin of Error Percent)
Local Test Value: 848,408,929 (Within Confidence Interval)
State Upper Limit: 899,697,126 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,278,067,954 (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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