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2008 Confidence Interval Detail
244/Wilbarger
244-901/Harrold ISD

Category Summary

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

Stratum
Variance
D3 4,120,150 0.9712 4,242,329 23 607 .005714405
G1 5,711,590 0.9302 6,140,174 15 21 .037569430
G1 6,814,660 1.0641 6,404,154 6 7 .051188599
Random Totals: 16,646,400   16,786,657 44 635  
Catg J Exception Values: 5,597,313   5,731,447      
Catg D1 Exception Values: 5,588,150   6,454,166      
Catg G1 Exception Values: 17,565,610   17,337,298      
Total Test Values (4): 45,397,473   46,309,568      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,315,478

Confidence Interval Values (5)

State Lower Limit: 43,994,090 (State Test Value minus Margin of Error Percent)
Local Test Value: 45,397,473 (Within Confidence Interval)
State Upper Limit: 48,625,046 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 51,478,338 (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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