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2007 Confidence Interval Detail
219/Swisher
219-901/Happy ISD

Category Summary

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

Stratum
Variance
A 1,998,267 0.9574 2,087,181 15 101 .088616337
A 1,959,737 1.0180 1,925,085 15 49 .036254852
A 1,991,145 1.0339 1,925,858 14 32 .029054671
A 1,950,790 1.1194 1,742,710 15 21 .005797210
D3 12,884,098 1.0194 12,638,903 26 1,327 .046678841
Random Totals: 20,784,037   20,319,737 85 1,530  
Catg J Exception Values: 6,511,371   6,644,953      
Catg D1 Exception Values: 19,794,349   25,060,880      
Total Test Values (4): 47,089,757   52,025,570      

Margin of Error

Margin of Error Percent: 5.0000010
Margin of Error Value: 2,601,279

Confidence Interval Values (5)

Local Test Value: 47,089,757 (Outside Confidence Interval)
State Lower Limit: 49,424,291 (State Test Value minus Margin of Error Percent)
State Upper Limit: 54,626,849 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 59,718,965 (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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