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2009 Confidence Interval Detail
127/Jones
127-905/Lueders-Avoca ISD

Category Summary

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

Stratum
Variance
A 873,030 0.9558 913,402 7 81 .029690212
A 1,357,830 1.0313 1,316,620 6 58 .078948633
A 1,927,130 1.0131 1,902,211 6 48 .014413574
A 2,587,850 1.0306 2,511,013 5 28 .002091843
D3 10,879,670 1.0142 10,727,342 20 1,054 .046925535
G1 2,934,580 1.0718 2,737,992 5 14 .010044141
G1 3,780,140 1.0235 3,693,346 3 4 .006184824
Random Totals: 24,340,230   23,801,926 52 1,287  
Catg J Exception Values: 2,192,682   1,913,116      
Catg D1 Exception Values: 7,334,610   8,726,777      
Catg G1 Exception Values: 10,142,680   9,799,769      
Total Test Values (4): 44,010,202   44,241,588      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,212,079

Confidence Interval Values (5)

State Lower Limit: 42,029,509 (State Test Value minus Margin of Error Percent)
Local Test Value: 44,010,202 (Within Confidence Interval)
State Upper Limit: 46,453,667 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,140,590 (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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