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2008 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 8,996,851 0.8784 10,242,317 8 264 .044523864
A 9,486,500 0.9040 10,493,916 10 167 .018921063
A 10,569,430 0.9487 11,140,961 9 131 .012515581
A 11,741,100 0.9948 11,802,473 9 79 .005194914
D3 53,363,300 0.9809 54,402,386 20 2,198 .068028787
G1 41,032,846 0.9891 41,485,033 8 34 .002060744
L1 1,584,870 0.9974 1,589,001 5 28 .005529493
L1 1,266,330 1.0556 1,199,631 4 7 .002005202
L1 1,525,300 1.0711 1,424,050 2 3 .000019785
Random Totals: 139,566,527   143,779,768 75 2,911  
Catg J Exception Values: 19,073,461   19,516,223      
Catg D1 Exception Values: 9,191,299   7,956,883      
Catg L1 Exception Values: 9,146,690   8,661,917      
Total Test Values (4): 176,977,977   179,914,791      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 8,995,740

Confidence Interval Values (5)

State Lower Limit: 170,919,051 (State Test Value minus Margin of Error Percent)
Local Test Value: 176,977,977 (Within Confidence Interval)
State Upper Limit: 188,910,531 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 171,445,272 (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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