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2009 Confidence Interval Detail
014/Bell
014-906/Killeen ISD

Category Summary

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

Stratum
Variance
A 1,030,882,074 0.9969 1,034,087,746 57 12,716 .009650906
A 1,030,107,542 0.9754 1,056,087,289 57 9,347 .004945959
A 1,077,754,594 0.9878 1,091,065,594 57 7,374 .005799288
A 1,128,491,759 1.0087 1,118,758,560 57 5,065 .007677173
B 163,466,666 0.9572 170,775,873 33 1,335 .014859010
B 169,362,312 1.0056 168,419,165 26 978 .012330559
B 159,444,194 1.0505 151,779,337 9 492 .004427639
B 135,208,237 0.9006 150,131,287 6 24 .006573262
F1 168,018,275 0.7572 221,894,183 10 738 .073478303
F1 180,704,271 0.8773 205,977,740 8 229 .057355277
F1 169,610,864 0.8956 189,382,385 7 86 .033893563
F1 196,196,598 1.0025 195,707,330 6 32 .031377817
L1 66,376,240 1.1421 58,117,713 7 1,710 .029995282
L1 67,950,995 1.0252 66,280,721 9 270 .051352267
L1 78,027,838 0.9999 78,035,642 7 86 .001059638
L1 76,088,498 1.0032 75,845,791 5 19 .007490796
Random Totals: 5,897,690,957   6,032,346,356 361 40,501  
Catg D1 Exception Values: 3,896,811   3,688,334      
Total Test Values (4): 5,901,587,768   6,036,034,690      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 301,801,735

Confidence Interval Values (5)

State Lower Limit: 5,734,232,955 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,901,587,768 (Within Confidence Interval)
State Upper Limit: 6,337,836,425 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,000,724,856 (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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