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2010 Confidence Interval Detail
107/Henderson
107-906/Malakoff ISD

Category Summary

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

Stratum
Variance
A 224,665,100 1.0356 216,941,966 54 2,034 .025291529
A 239,923,950 0.9583 250,364,134 30 924 .018699332
A 248,952,160 1.0040 247,960,319 28 580 .014446882
A 198,545,310 0.9779 203,032,324 13 229 .008053295
C 16,985,760 1.0392 16,345,035 31 2,433 .212807803
C 15,997,080 1.0723 14,918,474 10 255 .293686086
C 16,510,440 1.0552 15,646,740 9 113 .111071272
C 8,681,540 1.0163 8,542,301 8 26 .017363169
Random Totals: 970,261,340   973,751,293 183 6,594  
Catg J Exception Values: 15,994,010   16,592,875      
Catg D1 Exception Values: 4,154,960   4,225,251      
Total Test Values (4): 990,410,310   994,569,419      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,728,471

Confidence Interval Values (5)

State Lower Limit: 944,840,948 (State Test Value minus Margin of Error Percent)
Local Test Value: 990,410,310 (Within Confidence Interval)
State Upper Limit: 1,044,297,890 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 998,717,294 (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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