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2009 Confidence Interval Detail
127/Jones
221-904/Merkel ISD

Category Summary

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

Stratum
Variance
D3 23,186,510 0.9705 23,891,303 12 783 .020876218
G1 2,921,860 0.9954 2,935,363 5 23 .014255522
G1 3,000,751 1.0255 2,926,135 4 8 .001826137
G1 2,703,140 1.0037 2,693,175 3 4 .004652768
Random Totals: 31,812,261   32,445,976 24 818  
Catg D1 Exception Values: 4,690,600   5,569,873      
Catg G1 Exception Values: 5,453,430   5,271,129      
Total Test Values (4): 41,956,291   43,286,978      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 2,164,349

Confidence Interval Values (5)

State Lower Limit: 41,122,629 (State Test Value minus Margin of Error Percent)
Local Test Value: 41,956,291 (Within Confidence Interval)
State Upper Limit: 45,451,327 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,700,345 (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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