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2010 Confidence Interval Detail
107/Henderson
107-908/Murchison ISD

Category Summary

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

Stratum
Variance
A 3,628,660 0.9768 3,714,844 8 75 .008558571
A 3,502,150 0.9846 3,556,927 7 46 .001432465
A 3,639,300 0.9811 3,709,408 7 37 .001129067
A 3,232,210 0.9830 3,288,108 7 21 .001186520
D3 12,231,530 0.9034 13,539,440 16 325 .040286911
G1 5,455,314 1.0070 5,417,392 5 12 .003204865
Random Totals: 31,689,164   33,226,119 50 516  
Catg J Exception Values: 3,563,540   3,716,472      
Catg D1 Exception Values: 596,450   549,194      
Catg G1 Exception Values: 4,233,290   4,103,783      
Total Test Values (4): 40,082,444   41,595,568      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,079,778

Confidence Interval Values (5)

State Lower Limit: 39,515,790 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,082,444 (Within Confidence Interval)
State Upper Limit: 43,675,346 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 41,141,150 (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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