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2009 Confidence Interval Detail
133/Kerr
133-903/Kerrville ISD

Category Summary

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

Stratum
Variance
A 383,904,951 0.9551 401,952,624 46 3,806 .018523477
A 390,182,671 1.0079 387,124,388 45 2,326 .006929372
A 386,583,805 1.0026 385,581,294 47 1,574 .012552138
A 411,192,462 1.0026 410,126,134 33 956 .012951346
D3 272,495,447 0.9315 292,534,028 26 3,571 .061537364
F1 75,996,039 0.9314 81,593,342 10 405 .018835083
F1 78,450,683 0.8498 92,316,643 9 151 .062443467
F1 86,295,541 1.0026 86,071,754 8 66 .010781684
F1 71,797,047 0.8754 82,016,275 6 22 .025663772
Random Totals: 2,156,898,646   2,219,316,482 230 12,877  
Catg D1 Exception Values: 4,299,138   4,685,234      
Total Test Values (4): 2,161,197,784   2,224,001,716      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 111,200,086

Confidence Interval Values (5)

State Lower Limit: 2,112,801,630 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,161,197,784 (Within Confidence Interval)
State Upper Limit: 2,335,201,802 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,145,872,129 (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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