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2009 Confidence Interval Detail
113/Houston
113-906/Kennard ISD

Category Summary

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

Stratum
Variance
A 4,208,070 0.8894 4,731,358 8 162 .024666174
A 4,178,360 0.9195 4,544,165 8 88 .005778238
A 4,372,240 0.9770 4,475,169 7 59 .002370845
A 4,383,260 1.0233 4,283,455 7 34 .005516470
D3 45,518,540 1.0188 44,678,583 12 3,306 .007286340
G1 24,302,721 1.0168 23,901,181 5 15 .005448463
G1 24,186,080 1.0136 23,861,563 3 6 .001095854
G1 28,439,720 1.0435 27,254,164 3 5 .006311827
Random Totals: 139,588,991   137,729,638 53 3,675  
Catg D1 Exception Values: 20,889,580   21,219,431      
Catg G1 Exception Values: 18,077,150   16,391,741      
Total Test Values (4): 178,555,721   175,340,810      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 8,767,041

Confidence Interval Values (5)

State Lower Limit: 166,573,769 (State Test Value minus Margin of Error Percent)
Local Test Value: 178,555,721 (Within Confidence Interval)
State Upper Limit: 184,107,851 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 179,856,768 (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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