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2009 Confidence Interval Detail
058/Dawson
058-902/Dawson ISD

Category Summary

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

Stratum
Variance
D3 2,294,720 1.0299 2,228,100 10 401 .035765007
G1 55,849,302 0.9940 56,186,421 9 38 .000254730
Random Totals: 58,144,022   58,414,521 19 439  
Catg D1 Exception Values: 15,801,890   20,815,163      
Catg G1 Exception Values: 114,630,050   114,079,633      
Total Test Values (4): 188,575,962   193,309,317      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 9,665,466

Confidence Interval Values (5)

State Lower Limit: 183,643,851 (State Test Value minus Margin of Error Percent)
Local Test Value: 188,575,962 (Within Confidence Interval)
State Upper Limit: 202,974,783 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 204,214,683 (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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