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2007 Confidence Interval Detail
107/Henderson
107-910/La Poynor ISD

Category Summary

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

Stratum
Variance
A 7,406,487 0.9672 7,657,658 8 148 .004077224
A 7,356,524 1.0400 7,073,581 7 82 .017899316
A 7,388,321 0.9918 7,449,406 6 54 .007798161
A 7,224,792 1.0038 7,197,442 7 28 .009999536
D3 67,287,270 0.9192 73,201,991 26 2,433 .135443725
G1 10,462,655 0.9791 10,685,992 10 13 .021192027
Random Totals: 107,126,049   113,266,070 64 2,758  
Catg D1 Exception Values: 9,071,040   10,723,995      
Catg G1 Exception Values: 281,244,140   277,497,046      
Total Test Values (4): 397,441,229   401,487,111      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 20,074,356

Confidence Interval Values (5)

State Lower Limit: 381,412,755 (State Test Value minus Margin of Error Percent)
Local Test Value: 397,441,229 (Within Confidence Interval)
State Upper Limit: 421,561,467 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 411,063,348 (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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