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2008 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 2,304,400 0.9522 2,420,080 28 225 .007996168
Random Totals: 2,304,400   2,420,080 28 225  
Catg J Exception Values: 7,331,530   277,043      
Catg D1 Exception Values: 1,553,770   1,789,291      
Total Test Values (4): 11,189,700   4,486,414      

Margin of Error

Margin of Error Percent: 5.0000067
Margin of Error Value: 224,321

Confidence Interval Values (5)

State Lower Limit: 4,262,093 (State Test Value minus Margin of Error Percent)
State Upper Limit: 4,710,735 (State Test Value plus Margin of Error Percent)
Local Test Value: 11,189,700 (Outside Confidence Interval)
Value Assigned (6): 4,155,635 (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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