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2010 Confidence Interval Detail
143/Lavaca
143-901/Hallettsville ISD

Category Summary

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

Stratum
Variance
A 25,452,015 0.9834 25,881,650 10 528 .023288275
A 26,286,994 1.0566 24,878,851 10 312 .018580891
A 24,392,911 1.0282 23,723,897 10 201 .004681072
A 27,011,119 0.9842 27,444,746 9 134 .001680279
D3 179,523,202 0.9883 181,648,489 23 9,309 .011668852
G1 52,226,963 0.9541 54,739,506 13 97 .017903599
G1 53,020,099 1.0514 50,428,095 10 36 .020142640
G1 53,034,820 1.0233 51,827,245 8 19 .023186899
G1 48,595,734 1.0018 48,508,419 5 7 .001869710
Random Totals: 489,543,857   489,080,898 98 10,643  
Catg J Exception Values: 5,504,797   7,498,015      
Catg D1 Exception Values: 23,952,270   25,142,531      
Total Test Values (4): 519,000,924   521,721,444      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,086,072

Confidence Interval Values (5)

State Lower Limit: 495,635,372 (State Test Value minus Margin of Error Percent)
Local Test Value: 519,000,924 (Within Confidence Interval)
State Upper Limit: 547,807,516 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 602,197,555 (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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