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2011 Confidence Interval Detail
196/Refugio
196-901/Austwell-Tivoli ISD

Category Summary

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

Stratum
Variance
A 3,607,870 0.9845 3,664,672 10 128 .011211871
A 3,710,270 0.8909 4,164,631 10 74 .015280015
A 3,690,320 1.0184 3,623,645 10 46 .015030778
A 3,322,450 0.9529 3,486,672 10 22 .004503956
G1 55,340,040 1.0138 54,586,743 6 13 .001195531
G1 58,814,728 0.9889 59,474,899 2 3 .000901073
Random Totals: 128,485,678   129,001,262 48 286  
Catg J Exception Values: 14,578,517   15,553,306      
Catg D1 Exception Values: 20,201,880   17,807,888      
Catg G1 Exception Values: 200,085,210   196,729,959      
Total Test Values (4): 363,351,285   359,092,415      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,954,621

Confidence Interval Values (5)

State Lower Limit: 341,137,794 (State Test Value minus Margin of Error Percent)
Local Test Value: 363,351,285 (Within Confidence Interval)
State Upper Limit: 377,047,036 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 424,382,476 (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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