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2006 Confidence Interval Detail
182/Palo Pinto
182-902/Graford ISD

Category Summary

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

Stratum
Variance
A 72,073,435 0.8991 80,161,756 27 688 .045878875
A 71,945,594 0.8506 84,582,170 25 359 .058520141
A 72,409,842 0.9774 74,084,144 17 208 .036891542
A 71,588,581 1.0469 68,381,489 8 76 .008382423
C 8,368,251 1.0068 8,311,731 11 93 .002624785
C 10,766,397 0.9943 10,828,117 8 51 .000264175
C 1,735,610 1.0000 1,735,610 3 7
C 6,495,099 0.9955 6,524,459 8 19 .000168875
D3 15,871,860 0.9666 16,420,298 11 1,380 .009297342
G1 19,296,510 1.0000 19,296,510 7 181 .018758191
G1 19,328,960 1.0511 18,389,268 6 59 .002134587
G1 19,813,750 1.0360 19,125,241 5 25 .012939406
G1 18,700,790 1.4762 12,668,195 3 5 .035241709
Random Totals: 408,394,679   420,508,988 139 3,151  
Catg D1 Exception Values: 7,760,810   7,780,626      
Total Test Values (4): 416,155,489   428,289,614      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 21,414,481

Confidence Interval Values (5)

State Lower Limit: 406,875,133 (State Test Value minus Margin of Error Percent)
Local Test Value: 416,155,489 (Within Confidence Interval)
State Upper Limit: 449,704,095 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 467,884,497 (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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