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2009 Confidence Interval Detail
089/Gonzales
089-901/Gonzales ISD

Category Summary

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

Stratum
Variance
A 45,481,110 0.9859 46,131,565 15 951 .015066079
A 52,080,900 0.9238 56,376,813 15 608 .012824341
A 53,913,570 0.9471 56,924,897 14 400 .010729908
A 51,120,470 0.9719 52,598,487 14 220 .006502059
D3 167,103,040 1.1319 147,630,568 22 7,676 .043581134
F1 14,026,170 0.9562 14,668,657 7 189 .041550340
F1 13,932,010 0.9495 14,672,996 6 67 .002515615
F1 13,559,460 0.9689 13,994,695 5 24 .000705190
L1 7,816,540 1.0076 7,757,582 7 159 .037186041
L1 10,130,560 1.0431 9,711,974 6 48 .021901424
L1 6,663,910 0.9174 7,263,909 5 11 .019877353
L1 12,190,220 1.0051 12,128,365 4 8 .004158506
Random Totals: 448,017,960   439,860,508 120 10,361  
Catg J Exception Values: 5,378,057   5,574,964      
Catg D1 Exception Values: 22,872,720   23,294,283      
Catg F1 Exception Values: 9,716,030   10,283,475      
Total Test Values (4): 485,984,767   479,013,230      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 23,950,662

Confidence Interval Values (5)

State Lower Limit: 455,062,568 (State Test Value minus Margin of Error Percent)
Local Test Value: 485,984,767 (Within Confidence Interval)
State Upper Limit: 502,963,892 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 561,158,577 (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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