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2008 Confidence Interval Detail
193/Real
193-902/Leakey ISD

Category Summary

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

Stratum
Variance
A 37,034,064 0.8901 41,606,633 15 891 .057853868
A 25,653,528 0.9946 25,792,809 15 313 .011253461
A 28,081,687 0.9021 31,129,240 15 213 .030111571
A 29,635,597 0.9476 31,274,374 15 119 .003958047
C 899,470 0.8612 1,044,438 8 480 .094069146
C 896,098 1.0114 885,998 8 249 .085652398
C 892,661 0.9584 931,408 8 154 .105313166
C 889,416 1.0162 875,237 5 67 .010757042
D3 33,578,630 1.0844 30,965,170 22 2,300 .208525748
F1 3,024,684 0.9461 3,197,002 6 38 .004596219
F1 2,788,991 0.9022 3,091,322 5 15 .007077764
F1 1,715,677 0.9790 1,752,479 4 4 .005361545
F1 1,439,466 0.9740 1,477,891 3 2 .000546399
Random Totals: 166,529,969   174,024,001 129 4,845  
Catg D1 Exception Values: 14,661,456   16,458,321      
Total Test Values (4): 181,191,425   190,482,322      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,524,116

Confidence Interval Values (5)

State Lower Limit: 180,958,206 (State Test Value minus Margin of Error Percent)
Local Test Value: 181,191,425 (Within Confidence Interval)
State Upper Limit: 200,006,438 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 198,603,197 (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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