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2007 Confidence Interval Detail
107/Henderson
107-905/Eustace ISD

Category Summary

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

Stratum
Variance
A 87,610,307 0.9753 89,829,085 26 1,404 .021892894
A 87,519,520 0.8738 100,159,670 15 550 .059593310
A 87,599,770 0.9625 91,012,748 23 299 .005795628
A 87,432,533 0.9522 91,821,606 18 139 .004311203
C 7,659,347 0.6848 11,184,794 13 4,572 1.291783722
C 7,044,563 0.8385 8,401,387 15 645 .331218835
C 7,385,332 0.8078 9,142,525 7 168 .323012842
C 7,297,969 0.9293 7,853,189 7 63 .018460780
D3 70,799,550 0.9580 73,903,497 22 1,721 .021946213
Random Totals: 450,348,891   483,308,501 146 9,561  
Catg D1 Exception Values: 3,050,160   3,003,944      
Total Test Values (4): 453,399,051   486,312,445      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,315,622

Confidence Interval Values (5)

Local Test Value: 453,399,051 (Outside Confidence Interval)
State Lower Limit: 461,996,823 (State Test Value minus Margin of Error Percent)
State Upper Limit: 510,628,067 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 437,968,189 (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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