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2009 Confidence Interval Detail
049/Cooke
061-903/Pilot Point ISD

Category Summary

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

Stratum
Variance
A 10,374,199 0.9280 11,179,094 8 205 .047987273
A 10,307,853 0.9431 10,929,756 6 53 .017583531
A 11,736,713 1.0038 11,692,282 6 43 .001055770
A 11,882,287 1.0237 11,607,196 7 28 .011877507
C 976,676 1.0399 939,202 9 252 .011970201
C 2,339,480 0.9544 2,451,257 9 66 .014245518
C 605,062 0.9701 623,711 6 11 .009712988
C 2,691,758 1.0961 2,455,760 5 36 .005662347
D3 40,922,362 1.1023 37,124,523 21 630 .042552782
Random Totals: 91,836,390   89,002,781 77 1,324  
Catg D1 Exception Values: 802,988   764,123      
Total Test Values (4): 92,639,378   89,766,904      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,488,345

Confidence Interval Values (5)

State Lower Limit: 85,278,559 (State Test Value minus Margin of Error Percent)
Local Test Value: 92,639,378 (Within Confidence Interval)
State Upper Limit: 94,255,249 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 86,583,122 (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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