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2010 Confidence Interval Detail
144/Lee
144-901/Giddings ISD

Category Summary

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

Stratum
Variance
A 38,085,318 1.0392 36,648,689 10 694 .014984709
A 37,658,205 0.9658 38,991,722 16 370 .023534710
A 34,675,710 0.8906 38,935,223 10 231 .009780925
A 27,879,510 1.0498 26,556,973 9 112 .011240553
D3 168,902,267 1.0056 167,961,682 20 6,524 .026198760
F1 21,372,711 0.9435 22,652,582 11 209 .021843279
F1 21,687,379 0.8571 25,303,207 9 78 .099991658
F1 19,472,663 1.0025 19,424,103 8 33 .009091807
F1 17,574,517 0.9662 18,189,316 6 13 .032805289
G1 65,386,847 0.9873 66,227,942 9 140 .001939023
G1 65,892,383 1.1137 59,165,290 8 53 .031919703
G1 64,759,347 1.0846 59,708,046 7 29 .012004871
G1 65,097,306 1.1054 58,890,271 6 15 .018583108
L1 9,389,650 0.8031 11,691,757 10 184 .318799434
L1 7,759,310 1.0674 7,269,355 8 36 .033672219
L1 11,531,190 0.9845 11,712,737 7 18 .006128263
L1 8,081,270 1.0533 7,672,335 2 3 .013748672
Random Totals: 685,205,583   677,001,230 156 8,742  
Catg J Exception Values: 10,185,570   9,989,462      
Catg D1 Exception Values: 8,942,016   8,211,912      
Total Test Values (4): 704,333,169   695,202,604      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,760,130

Confidence Interval Values (5)

State Lower Limit: 660,442,474 (State Test Value minus Margin of Error Percent)
Local Test Value: 704,333,169 (Within Confidence Interval)
State Upper Limit: 729,962,734 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 753,870,001 (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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