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2008 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 91,385,860 1.0240 89,244,004 22 1,939 .055685976
A 98,841,610 0.9673 102,182,994 15 960 .033960191
A 104,607,430 0.9786 106,894,983 21 686 .040511272
A 98,369,250 1.0526 93,453,591 14 382 .041196742
D3 134,650,740 1.0864 123,942,139 16 4,172 .072144554
G1 3,924,104 0.9693 4,048,390 16 27 .076227380
Random Totals: 531,778,994   519,766,101 104 8,166  
Catg D1 Exception Values: 8,936,710   10,243,171      
Catg G1 Exception Values: 83,494,540   82,615,692      
Total Test Values (4): 624,210,244   612,624,964      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 30,631,248

Confidence Interval Values (5)

State Lower Limit: 581,993,716 (State Test Value minus Margin of Error Percent)
Local Test Value: 624,210,244 (Within Confidence Interval)
State Upper Limit: 643,256,212 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 606,477,954 (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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