Texas Comptroller of Public Accounts

Texas Comptroller of Public Accounts, Glenn Hegar

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2007 Confidence Interval Detail
167/Mills
167-903/Star ISD

Category Summary

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

Stratum
Variance
D3 12,813,430 0.9534 13,439,721 25 1,398 .035646861
Random Totals: 12,813,430   13,439,721 25 1,398  
Catg J Exception Values: 269,740   307,352      
Catg D1 Exception Values: 7,121,080   7,579,283      
Total Test Values (4): 20,204,250   21,326,356      

Margin of Error

Margin of Error Percent: 5.0000009
Margin of Error Value: 1,066,318

Confidence Interval Values (5)

Local Test Value: 20,204,250 (Outside Confidence Interval)
State Lower Limit: 20,260,038 (State Test Value minus Margin of Error Percent)
State Upper Limit: 22,392,674 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 21,250,307 (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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