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2006 Confidence Interval Detail
067/Eastland
067-904/Gorman ISD

Category Summary

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

Stratum
Variance
A 3,690,718 1.0083 3,660,337 9 222 .015476387
A 3,655,287 1.0105 3,617,305 8 114 .065394257
A 3,664,119 0.8744 4,190,438 6 77 .057381518
A 3,654,860 0.8323 4,391,277 7 37 .045848995
D3 15,664,690 1.0128 15,466,716 20 1,533 .171271392
F1 731,736 0.9394 778,940 7 28 .010097817
F1 728,784 0.9350 779,448 5 9 .004337074
Random Totals: 31,790,194   32,884,461 62 2,020  
Catg J Exception Values: 2,771,997   3,729,765      
Catg D1 Exception Values: 5,435,930   4,712,645      
Catg F1 Exception Values: 1,482,100   1,580,342      
Total Test Values (4): 41,480,221   42,907,213      

Margin of Error

Margin of Error Percent: 7.2238367
Margin of Error Value: 3,099,547

Confidence Interval Values (5)

State Lower Limit: 39,807,666 (State Test Value minus Margin of Error Percent)
Local Test Value: 41,480,221 (Within Confidence Interval)
State Upper Limit: 46,006,760 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,635,840 (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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