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2007 Confidence Interval Detail
109/Hill
109-907/Itasca ISD

Category Summary

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

Stratum
Variance
A 9,436,834 0.9441 9,995,587 7 277 .011808178
A 9,379,907 1.0441 8,983,725 9 160 .043589201
A 9,395,988 0.9395 10,001,052 11 114 .015152324
A 9,384,294 0.9436 9,945,203 7 66 .002260028
D3 51,677,551 0.9758 52,959,163 24 2,170 .013434435
L1 2,240,893 0.9779 2,291,536 8 31 .012250735
L1 2,187,859 0.9931 2,203,060 5 7 .000437244
L1 3,044,180 0.8886 3,425,816 3 4 .012741724
Random Totals: 96,747,506   99,805,142 74 2,829  
Catg J Exception Values: 9,289,132   8,789,750      
Catg D1 Exception Values: 9,187,710   7,859,217      
Catg L1 Exception Values: 3,974,900   3,816,062      
Total Test Values (4): 119,199,248   120,270,171      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 6,013,509

Confidence Interval Values (5)

State Lower Limit: 114,256,662 (State Test Value minus Margin of Error Percent)
Local Test Value: 119,199,248 (Within Confidence Interval)
State Upper Limit: 126,283,680 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 136,833,672 (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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