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2008 Confidence Interval Detail
241/Wharton
241-906/Louise ISD

Category Summary

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

Stratum
Variance
A 10,312,620 0.9086 11,350,011 10 206 .018946254
A 10,761,160 0.9944 10,821,762 10 117 .014229108
A 11,305,410 0.9518 11,877,926 9 88 .019776239
A 10,739,090 1.1142 9,638,386 8 54 .002854174
D3 32,858,380 0.9606 34,206,100 20 2,374 .048235310
G1 8,125,580 1.0103 8,042,740 6 18 .002886698
G1 7,437,520 0.9439 7,879,564 4 6 .008044718
L1 11,408,509 1.1811 9,659,224 9 138 .231836581
Random Totals: 102,948,269   103,475,713 76 3,001  
Catg J Exception Values: 7,659,555   7,492,723      
Catg D1 Exception Values: 25,036,500   27,270,627      
Catg G1 Exception Values: 13,478,700   11,396,472      
Total Test Values (4): 149,123,024   149,635,535      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,481,777

Confidence Interval Values (5)

State Lower Limit: 142,153,758 (State Test Value minus Margin of Error Percent)
Local Test Value: 149,123,024 (Within Confidence Interval)
State Upper Limit: 157,117,312 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 170,298,691 (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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