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2009 Confidence Interval Detail
089/Gonzales
089-905/Waelder ISD

Category Summary

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

Stratum
Variance
A 3,086,750 0.9864 3,129,309 7 144 .044633356
A 2,509,790 0.9291 2,701,313 6 56 .003924052
A 3,433,510 0.9310 3,687,981 6 51 .002001600
A 3,330,800 0.9639 3,455,545 5 25 .004415658
D3 51,751,750 0.9950 52,011,809 25 2,216 .064379979
Random Totals: 64,112,600   64,985,957 49 2,492  
Catg J Exception Values: 5,877,660   6,317,026      
Catg D1 Exception Values: 6,653,670   6,787,986      
Total Test Values (4): 76,643,930   78,090,969      

Margin of Error

Margin of Error Percent: 6.8093072
Margin of Error Value: 5,317,454

Confidence Interval Values (5)

State Lower Limit: 72,773,515 (State Test Value minus Margin of Error Percent)
Local Test Value: 76,643,930 (Within Confidence Interval)
State Upper Limit: 83,408,423 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 108,987,987 (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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