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2006 Confidence Interval Detail
175/Navarro
175-907/Kerens ISD

Category Summary

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

Stratum
Variance
A 13,097,568 0.7855 16,674,180 13 415 .119976832
A 13,053,558 0.9111 14,327,251 13 182 .041257759
A 13,214,798 0.9095 14,529,739 9 64 .006554938
A 12,917,677 0.8867 14,568,261 9 32 .008106981
C 3,630,238 1.0105 3,592,517 8 360 .029143509
C 3,614,316 0.7179 5,034,567 8 98 .211729949
C 3,649,650 0.8095 4,508,524 10 61 .135977568
C 3,592,543 1.0601 3,388,872 8 36 .082621718
D3 38,637,371 0.8513 45,386,316 23 2,807 .153649623
Random Totals: 105,407,719   122,010,227 101 4,055  
Catg J Exception Values: 13,197,224   13,969,992      
Catg D1 Exception Values: 11,383,250   11,393,773      
Total Test Values (4): 129,988,193   147,373,992      

Margin of Error

Margin of Error Percent: 5.7136364
Margin of Error Value: 8,420,414

Confidence Interval Values (5)

Local Test Value: 129,988,193 (Outside Confidence Interval)
State Lower Limit: 138,953,578 (State Test Value minus Margin of Error Percent)
State Upper Limit: 155,794,406 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 142,381,514 (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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