Texas Comptroller of Public Accounts

Texas Comptroller of Public Accounts, Glenn Hegar

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2011 Confidence Interval Detail
072/Erath
111-902/Lipan ISD

Category Summary

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

Stratum
Variance
D3 8,119,990 1.0422 7,791,201 22 249 .027765335
G1 5,944,600 0.9972 5,961,292 11 46 .001687684
Random Totals: 14,064,590   13,752,493 33 295  
Catg D1 Exception Values: 1,629,060   1,587,888      
Total Test Values (4): 15,693,650   15,340,381      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 767,019

Confidence Interval Values (5)

State Lower Limit: 14,573,362 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,693,650 (Within Confidence Interval)
State Upper Limit: 16,107,400 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 19,990,432 (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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