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2007 Confidence Interval Detail
109/Hill
109-908/Malone ISD

Category Summary

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

Stratum
Variance
A 1,239,875 0.9342 1,327,205 7 47 .039042623
A 1,278,580 0.9362 1,365,712 8 28 .022988627
A 1,228,799 0.9782 1,256,184 8 19 .005728375
A 1,179,851 0.8923 1,322,258 4 12 .036991853
D3 8,799,040 0.9951 8,842,368 20 564 .015364557
Random Totals: 13,726,145   14,113,727 47 670  
Catg J Exception Values: 1,543,260   1,427,786      
Catg D1 Exception Values: 3,754,132   3,291,923      
Total Test Values (4): 19,023,537   18,833,436      

Margin of Error

Margin of Error Percent: 5.0000011
Margin of Error Value: 941,672

Confidence Interval Values (5)

State Lower Limit: 17,891,764 (State Test Value minus Margin of Error Percent)
Local Test Value: 19,023,537 (Within Confidence Interval)
State Upper Limit: 19,775,108 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 21,306,126 (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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