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2007 Confidence Interval Detail
109/Hill
109-905/Hubbard ISD

Category Summary

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

Stratum
Variance
A 8,217,007 0.9436 8,708,146 8 234 .007508307
A 8,236,811 1.0158 8,108,694 10 132 .008734556
A 8,206,011 1.0450 7,852,642 8 88 .014218497
A 8,144,218 0.9131 8,919,306 7 52 .006869680
D3 19,914,184 1.0181 19,560,145 20 1,095 .034912703
F1 1,767,417 0.9943 1,777,549 7 31 .010923790
F1 1,778,493 0.9802 1,814,418 8 13 .000962070
F1 1,960,943 1.0113 1,939,032 4 7 .003822551
Random Totals: 58,225,084   58,679,932 72 1,652  
Catg J Exception Values: 1,778,360   1,768,129      
Catg D1 Exception Values: 2,942,592   2,335,694      
Catg F1 Exception Values: 1,558,190   1,516,390      
Total Test Values (4): 64,504,226   64,300,145      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,215,007

Confidence Interval Values (5)

State Lower Limit: 61,085,138 (State Test Value minus Margin of Error Percent)
Local Test Value: 64,504,226 (Within Confidence Interval)
State Upper Limit: 67,515,152 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 57,985,064 (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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