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2007 Confidence Interval Detail
019/Bowie
019-908/Liberty-Eylau ISD

Category Summary

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

Stratum
Variance
A 55,955,056 1.0507 53,255,026 9 1,318 .031230182
A 55,950,235 0.9721 57,556,049 14 788 .005249694
A 55,952,708 0.9907 56,477,953 17 531 .002464336
A 55,877,795 0.9849 56,734,486 16 306 .001013347
D3 49,913,820 1.0184 49,011,999 18 1,262 .040353785
F1 17,668,545 0.8956 19,728,165 7 125 .075168518
F1 17,473,922 0.8861 19,720,034 6 40 .020286917
F1 17,732,508 0.9695 18,290,364 5 19 .008194891
F1 16,844,338 0.9603 17,540,704 4 7 .007236128
L1 10,549,173 0.9962 10,589,413 8 107 .028731081
L1 10,689,927 1.0908 9,800,080 6 26 .027469587
L1 10,277,097 1.0829 9,490,347 4 9 .019465601
L1 10,244,472 0.9434 10,859,097 3 5 .007585557
Random Totals: 385,129,596   389,053,717 117 4,543  
Catg D1 Exception Values: 2,104,700   1,798,874      
Total Test Values (4): 387,234,296   390,852,591      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 19,542,630

Confidence Interval Values (5)

State Lower Limit: 371,309,961 (State Test Value minus Margin of Error Percent)
Local Test Value: 387,234,296 (Within Confidence Interval)
State Upper Limit: 410,395,221 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 455,147,264 (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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