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2008 Confidence Interval Detail
101/Harris
101-905/Channelview ISD

Category Summary

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

Stratum
Variance
A 181,375,027 0.9680 187,370,896 30 2,365 .054630135
A 195,617,541 0.9794 199,732,021 30 2,002 .007244908
A 221,610,870 0.9842 225,168,533 33 1,826 .008144129
A 214,330,681 1.0326 207,564,092 29 1,291 .010670302
F1 174,223,910 0.9405 185,246,050 15 583 .015228966
L1 22,569,711 0.9729 23,198,387 8 138 .005429461
L1 21,197,018 0.9527 22,249,415 7 36 .010060345
L1 17,172,934 0.7401 23,203,532 5 10 .190372797
L1 28,738,812 0.7144 40,227,900 2 5 .010433229
Random Totals: 1,076,836,504   1,113,960,826 159 8,256  
Catg D1 Exception Values: 49,417   52,139      
Total Test Values (4): 1,076,885,921   1,114,012,965      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 55,700,648

Confidence Interval Values (5)

State Lower Limit: 1,058,312,317 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,076,885,921 (Within Confidence Interval)
State Upper Limit: 1,169,713,613 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,546,089,000 (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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