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2007 Confidence Interval Detail
221/Taylor
221-905/Trent ISD

Category Summary

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

Stratum
Variance
A 1,263,581 0.9649 1,309,546 7 69 .032638044
A 1,269,752 0.9469 1,340,957 6 37 .003844650
A 1,287,079 0.9127 1,410,188 6 25 .009144739
A 1,216,376 0.9363 1,299,131 7 14 .011010517
D3 5,774,895 0.9546 6,049,544 16 907 .034228808
G1 3,854,515 0.9661 3,989,768 6 29 .023294964
G1 3,992,179 0.9699 4,116,073 5 13 .003574684
Random Totals: 18,658,377   19,515,207 53 1,094  
Catg J Exception Values: 7,056,464   7,457,074      
Catg D1 Exception Values: 6,560,657   6,242,349      
Total Test Values (4): 32,275,498   33,214,630      

Margin of Error

Margin of Error Percent: 5.0000015
Margin of Error Value: 1,660,732

Confidence Interval Values (5)

State Lower Limit: 31,553,898 (State Test Value minus Margin of Error Percent)
Local Test Value: 32,275,498 (Within Confidence Interval)
State Upper Limit: 34,875,362 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 95,436,002 (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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