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2007 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 191,123,198 0.9353 204,344,272 40 2,413 .024490834
A 191,018,532 0.9629 198,378,370 64 1,601 .012471808
A 191,166,534 0.9710 196,875,936 57 1,263 .016090223
A 190,732,242 0.9711 196,408,446 59 835 .013484861
F1 20,725,029 0.7827 26,478,892 9 126 .075485538
F1 21,005,527 0.9179 22,884,331 6 40 .010262319
F1 21,689,772 0.9141 23,728,008 7 14 .015060690
F1 18,230,338 0.8909 20,462,833 5 6 .044411353
Random Totals: 845,691,172   889,561,088 247 6,298  
Catg D1 Exception Values: 5,814,955   5,657,905      
Total Test Values (4): 851,506,127   895,218,993      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 44,760,950

Confidence Interval Values (5)

State Lower Limit: 850,458,043 (State Test Value minus Margin of Error Percent)
Local Test Value: 851,506,127 (Within Confidence Interval)
State Upper Limit: 939,979,943 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,084,497,168 (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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