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2008 Confidence Interval Detail
177/Nolan
177-905/Highland ISD

Category Summary

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

Stratum
Variance
D3 7,989,703 0.7868 10,154,681 24 750 .018465586
G1 6,259,320 1.0426 6,003,568 12 14 .161296365
Random Totals: 14,249,023   16,158,249 36 764  
Catg J Exception Values: 4,209,632   4,545,434      
Catg D1 Exception Values: 7,424,374   8,867,564      
Catg G1 Exception Values: 38,812,870   38,665,931      
Total Test Values (4): 64,695,899   68,237,178      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 3,411,859

Confidence Interval Values (5)

Local Test Value: 64,695,899 (Outside Confidence Interval)
State Lower Limit: 64,825,319 (State Test Value minus Margin of Error Percent)
State Upper Limit: 71,649,037 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 386,086,393 (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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