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2006 Confidence Interval Detail
115/Hudspeth
115-903/Dell City ISD

Category Summary

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

Stratum
Variance
A 873,863 1.0193 857,317 8 67 .034891504
A 883,633 1.2201 724,230 8 36 .054304545
A 866,362 0.9106 951,419 7 25 .080598819
A 849,902 1.1793 720,683 7 14 .010477963
C 1,368,772 0.9139 1,497,726 48 2,390 .082118133
C 1,441,987 1.0091 1,428,983 12 713 .011323314
C 1,296,365 1.0726 1,208,619 12 416 .046625367
C 1,348,230 1.1255 1,197,894 10 196 .061202851
D3 15,518,659 1.0640 14,585,206 34 3,257 .210770241
Random Totals: 24,447,773   23,172,077 146 7,114  
Catg J Exception Values: 3,959,170   3,999,848      
Catg D1 Exception Values: 9,707,016   10,811,199      
Total Test Values (4): 38,113,959   37,983,124      

Margin of Error

Margin of Error Percent: 5.9685902
Margin of Error Value: 2,267,057

Confidence Interval Values (5)

State Lower Limit: 35,716,067 (State Test Value minus Margin of Error Percent)
Local Test Value: 38,113,959 (Within Confidence Interval)
State Upper Limit: 40,250,181 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,502,521 (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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