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2011 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 9,597,220 0.9280 10,341,832 11 117 .008266801
A 8,941,820 0.9655 9,261,336 10 71 .009924086
A 9,424,210 0.9801 9,615,560 9 58 .004509581
A 10,781,770 0.9568 11,268,572 11 46 .010599906
D3 58,171,690 1.0331 56,307,899 16 1,217 .082896522
G1 5,089,310 0.8941 5,692,104 8 24 .030553649
G1 4,901,160 0.9894 4,953,669 4 7 .001277837
G1 4,957,851 1.0121 4,898,578 2 3 .003489168
Random Totals: 111,865,031   112,339,550 71 1,543  
Catg J Exception Values: 2,922,250   6,309,114      
Catg D1 Exception Values: 828,690   760,670      
Catg G1 Exception Values: 4,162,519   4,058,868      
Total Test Values (4): 119,778,490   123,468,202      

Margin of Error

Margin of Error Percent: 6.5816112
Margin of Error Value: 8,126,197

Confidence Interval Values (5)

State Lower Limit: 115,342,005 (State Test Value minus Margin of Error Percent)
Local Test Value: 119,778,490 (Within Confidence Interval)
State Upper Limit: 131,594,399 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 115,435,368 (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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