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2008 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 746,861 0.7990 934,745 7 90 .090422453
A 976,517 0.8472 1,152,640 10 56 .051280041
A 1,372,038 0.8886 1,544,045 9 46 .103681868
A 1,468,116 0.8673 1,692,743 10 21 .019180826
D3 6,965,557 0.9206 7,566,323 22 1,070 .062871560
G1 2,878,890 1.0982 2,621,462 8 12 .012156786
G1 2,684,090 0.9898 2,711,750 4 5 .001950505
Random Totals: 17,092,069   18,223,708 70 1,300  
Catg J Exception Values: 2,152,952   1,998,383      
Catg D1 Exception Values: 7,319,189   6,802,571      
Catg G1 Exception Values: 13,263,980   13,443,335      
Total Test Values (4): 39,828,190   40,467,997      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 2,023,400

Confidence Interval Values (5)

State Lower Limit: 38,444,597 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,828,190 (Within Confidence Interval)
State Upper Limit: 42,491,397 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 38,914,859 (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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