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2009 Confidence Interval Detail
200/Runnels
200-906/Olfen ISD

Category Summary

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

Stratum
Variance
D3 2,876,960 1.0283 2,797,783 20 229 .000781533
Random Totals: 2,876,960   2,797,783 20 229  
Catg J Exception Values: 657,340   629,219      
Catg D1 Exception Values: 2,096,000   1,787,542      
Total Test Values (4): 5,630,300   5,214,544      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 260,727

Confidence Interval Values (5)

State Lower Limit: 4,953,817 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,475,271 (State Test Value plus Margin of Error Percent)
Local Test Value: 5,630,300 (Outside Confidence Interval)
Value Assigned (6): 4,668,411 (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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