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2008 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 39,663,194 0.9858 40,234,524 9 630 .029438501
A 41,897,548 0.9075 46,168,097 9 437 .012484634
A 41,544,437 0.9742 42,644,669 20 246 .004630311
A 13,656,634 0.9888 13,811,321 7 48 .005071533
D3 60,969,254 0.9247 65,934,091 21 1,447 .013106817
G1 114,904,256 1.0355 110,964,999 12 110 .011450019
G1 112,881,144 1.0133 111,399,530 11 55 .001528601
G1 115,336,743 1.0029 115,003,234 10 39 .000298240
G1 111,738,261 1.0007 111,660,099 9 25 .000158421
Random Totals: 652,591,471   657,820,564 108 3,037  
Catg J Exception Values: 24,610,059   24,554,318      
Catg D1 Exception Values: 5,493,164   3,972,618      
Total Test Values (4): 682,694,694   686,347,500      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,317,375

Confidence Interval Values (5)

State Lower Limit: 652,030,125 (State Test Value minus Margin of Error Percent)
Local Test Value: 682,694,694 (Within Confidence Interval)
State Upper Limit: 720,664,875 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,009,214,634 (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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