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2008 Confidence Interval Detail
089/Gonzales
089-903/Nixon-Smiley CISD

Category Summary

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

Stratum
Variance
A 7,722,480 0.9156 8,434,338 7 339 .001310216
A 8,391,250 0.9476 8,855,266 7 190 .002341378
A 9,420,920 1.0035 9,388,062 7 136 .002500157
A 9,756,530 1.0900 8,950,945 6 75 .042719045
D3 58,644,660 1.0060 58,294,891 23 3,815 .016736515
G1 14,548,537 1.0108 14,393,092 20 45 .010236802
Random Totals: 108,484,377   108,316,594 70 4,600  
Catg J Exception Values: 3,620,079   3,638,858      
Catg D1 Exception Values: 13,915,270   14,430,648      
Catg G1 Exception Values: 3,764,560   3,537,532      
Total Test Values (4): 129,784,286   129,923,632      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,496,182

Confidence Interval Values (5)

State Lower Limit: 123,427,450 (State Test Value minus Margin of Error Percent)
Local Test Value: 129,784,286 (Within Confidence Interval)
State Upper Limit: 136,419,814 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 146,085,860 (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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