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2009 Confidence Interval Detail
019/Bowie
019-902/Hooks ISD

Category Summary

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

Stratum
Variance
A 20,541,471 0.9388 21,880,561 11 522 .058908898
A 19,776,637 0.9680 20,430,410 11 269 .005139899
A 21,750,008 1.0044 21,654,727 11 210 .006126752
A 23,408,144 0.9563 24,477,825 10 136 .012708379
D3 36,731,369 1.0357 35,465,259 22 996 .050055425
F1 2,863,327 0.9156 3,127,268 6 39 .018968595
F1 3,010,314 0.8829 3,409,575 5 16 .008052327
F1 2,784,078 0.8836 3,150,835 4 7 .003261231
F1 3,224,859 0.9238 3,490,863 2 4 .002800006
Random Totals: 134,090,207   137,087,323 82 2,199  
Catg D1 Exception Values: 3,558,247   3,232,322      
Total Test Values (4): 137,648,454   140,319,645      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,015,982

Confidence Interval Values (5)

State Lower Limit: 133,303,663 (State Test Value minus Margin of Error Percent)
Local Test Value: 137,648,454 (Within Confidence Interval)
State Upper Limit: 147,335,627 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 141,751,576 (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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