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2007 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 3,115,508 0.9165 3,399,354 6 71 .020582756
A 3,107,638 0.9870 3,148,569 6 45 .000309220
A 3,019,270 0.9702 3,112,008 7 33 .016738666
A 3,043,799 1.0571 2,879,386 8 24 .006773675
D3 8,637,070 0.9694 8,909,707 21 303 .005190871
G1 7,193,788 0.9862 7,294,451 8 13 .020732284
Random Totals: 28,117,073   28,743,475 56 489  
Catg J Exception Values: 2,908,640   3,291,031      
Catg D1 Exception Values: 552,450   544,048      
Catg G1 Exception Values: 6,897,850   7,199,807      
Total Test Values (4): 38,476,013   39,778,361      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,988,918

Confidence Interval Values (5)

State Lower Limit: 37,789,443 (State Test Value minus Margin of Error Percent)
Local Test Value: 38,476,013 (Within Confidence Interval)
State Upper Limit: 41,767,279 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 38,480,163 (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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