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2006 Confidence Interval Detail
040/Cochran
040-902/Whiteface-Bledsoe CISD

Category Summary

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

Stratum
Variance
D3 4,868,630 1.0048 4,845,372 15 2,116 .184473051
G1 129,999,832 1.2396 104,872,404 9 59 .126677675
G1 132,088,879 0.9661 136,723,816 6 13 .007191625
G1 155,421,742 1.0311 150,733,917 3 5 .001487847
Random Totals: 422,379,083   397,175,509 33 2,193  
Catg D1 Exception Values: 28,372,880   30,310,480      
Catg G1 Exception Values: 75,751,581   74,862,870      
Total Test Values (4): 526,503,544   502,348,859      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,117,443

Confidence Interval Values (5)

State Lower Limit: 477,231,416 (State Test Value minus Margin of Error Percent)
Local Test Value: 526,503,544 (Within Confidence Interval)
State Upper Limit: 527,466,302 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 580,275,589 (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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