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2009 Confidence Interval Detail
249/Wise
184-902/Springtown ISD

Category Summary

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

Stratum
Variance
A 8,885,800 0.9912 8,964,689 8 110 .011761731
A 8,841,030 0.9615 9,195,039 9 72 .001911665
A 9,985,680 1.0353 9,645,204 10 61 .012363236
A 8,726,290 0.9987 8,737,649 9 37 .001583935
D3 58,990,480 1.0158 58,072,928 26 1,237 .007058624
Random Totals: 95,429,280   94,615,509 62 1,517  
Catg J Exception Values: 715,130   707,917      
Catg D1 Exception Values: 874,370   853,528      
Total Test Values (4): 97,018,780   96,176,954      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 4,808,848

Confidence Interval Values (5)

State Lower Limit: 91,368,106 (State Test Value minus Margin of Error Percent)
Local Test Value: 97,018,780 (Within Confidence Interval)
State Upper Limit: 100,985,802 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 106,680,825 (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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