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2007 Confidence Interval Detail
109/Hill
109-901/Abbott ISD

Category Summary

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

Stratum
Variance
A 3,995,123 0.9639 4,144,748 10 83 .008028004
A 3,907,708 0.9551 4,091,412 8 48 .009255714
A 3,955,817 0.9643 4,102,268 8 37 .012079338
A 3,920,139 0.9611 4,078,804 10 24 .003779021
D3 19,540,750 0.9697 20,151,335 20 1,126 .084502949
Random Totals: 35,319,537   36,568,567 56 1,318  
Catg J Exception Values: 4,082,578   3,999,259      
Catg D1 Exception Values: 6,202,519   5,458,320      
Total Test Values (4): 45,604,634   46,026,146      

Margin of Error

Margin of Error Percent: 5.7410173
Margin of Error Value: 2,642,369

Confidence Interval Values (5)

State Lower Limit: 43,383,777 (State Test Value minus Margin of Error Percent)
Local Test Value: 45,604,634 (Within Confidence Interval)
State Upper Limit: 48,668,515 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,214,207 (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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