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2006 Confidence Interval Detail
107/Henderson
107-902/Brownsboro ISD

Category Summary

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

Stratum
Variance
A 89,952,857 1.1169 80,537,968 31 2,001 .074883818
A 89,943,137 1.0943 82,192,394 20 929 .063762236
A 89,854,973 1.0449 85,993,849 28 593 .006501592
A 89,632,112 1.0352 86,584,343 21 373 .004839822
D3 112,322,580 1.0696 105,013,631 42 3,760 .025396331
G1 3,570,327 0.9706 3,678,474 8 29 .117917627
Random Totals: 475,275,986   444,000,659 150 7,685  
Catg D1 Exception Values: 8,577,340   10,192,668      
Catg G1 Exception Values: 106,905,438   105,241,730      
Total Test Values (4): 590,758,764   559,435,057      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,971,753

Confidence Interval Values (5)

State Lower Limit: 531,463,304 (State Test Value minus Margin of Error Percent)
State Upper Limit: 587,406,810 (State Test Value plus Margin of Error Percent)
Local Test Value: 590,758,764 (Outside Confidence Interval)
Value Assigned (6): 579,397,132 (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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