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2010 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 4,050,280 0.9912 4,086,239 22 600 .001842568
G1 6,911,500 1.0132 6,821,457 9 27 .003171044
G1 6,475,710 0.9725 6,658,828 5 7 .009369982
G1 7,792,110 1.0261 7,593,909 3 4 .003130172
Random Totals: 25,229,600   25,160,433 39 638  
Catg J Exception Values: 6,287,656   6,438,595      
Catg D1 Exception Values: 6,948,660   8,270,286      
Catg G1 Exception Values: 3,904,020   3,776,528      
Total Test Values (4): 42,369,936   43,645,842      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,182,292

Confidence Interval Values (5)

State Lower Limit: 41,463,550 (State Test Value minus Margin of Error Percent)
Local Test Value: 42,369,936 (Within Confidence Interval)
State Upper Limit: 45,828,134 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,780,392 (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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