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2008 Confidence Interval Detail
101/Harris
101-906/Crosby ISD

Category Summary

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

Stratum
Variance
A 188,578,677 0.9519 198,107,655 29 2,427 .034525242
A 198,151,960 0.9432 210,084,775 30 1,715 .006991490
A 203,614,563 1.0108 201,439,022 31 1,385 .037225883
A 232,876,120 1.0643 218,806,840 28 1,020 .089461717
F1 20,690,242 0.8213 25,192,064 9 129 .026938145
F1 22,243,632 0.8586 25,906,862 8 43 .023289321
F1 23,628,862 0.9325 25,339,262 6 19 .009278424
Random Totals: 889,784,056   904,876,480 141 6,738  
Catg D1 Exception Values: 4,687,937   4,994,338      
Catg F1 Exception Values: 21,770,340   23,324,053      
Total Test Values (4): 916,242,333   933,194,871      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,659,744

Confidence Interval Values (5)

State Lower Limit: 886,535,127 (State Test Value minus Margin of Error Percent)
Local Test Value: 916,242,333 (Within Confidence Interval)
State Upper Limit: 979,854,615 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,206,293,791 (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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