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2006 Confidence Interval Detail
126/Johnson
126-908/Venus ISD

Category Summary

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

Stratum
Variance
A 27,511,200 0.9575 28,732,324 17 531 .079415679
A 27,320,811 1.0685 25,569,313 26 356 .069937800
A 27,346,182 0.9938 27,516,786 24 286 .008332847
A 27,353,088 0.9914 27,590,365 23 202 .008836887
C 6,393,383 1.0125 6,314,452 7 517 .031115287
C 3,568,863 0.8930 3,996,487 7 210 .043201569
C 5,977,621 1.1157 5,357,731 7 252 .091297606
C 3,146,602 1.1334 2,776,250 7 92 .129144066
D3 16,898,012 1.0085 16,755,589 24 515 .161062798
Random Totals: 145,515,762   144,609,297 142 2,961  
Catg D1 Exception Values: 1,740,875   2,547,809      
Total Test Values (4): 147,256,637   147,157,106      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,357,855

Confidence Interval Values (5)

State Lower Limit: 139,799,251 (State Test Value minus Margin of Error Percent)
Local Test Value: 147,256,637 (Within Confidence Interval)
State Upper Limit: 154,514,961 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 202,117,095 (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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