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2008 Confidence Interval Detail
210/Shelby
210-902/Joaquin ISD

Category Summary

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

Stratum
Variance
A 9,748,334 0.9577 10,178,902 8 333 .044824390
A 9,508,400 1.0099 9,415,190 7 178 .024528603
A 9,118,550 1.0257 8,890,075 8 112 .018089038
A 9,056,414 1.1177 8,102,723 7 57 .025205952
D3 32,127,595 0.9938 32,328,029 20 2,157 .111404245
G1 35,064,111 0.9619 36,452,969 8 65 .013334913
G1 35,376,381 1.0096 35,039,997 7 32 .003072279
G1 34,275,278 1.0080 34,003,252 6 21 .003941389
G1 33,627,275 1.0163 33,087,942 5 12 .000060127
Random Totals: 207,902,338   207,499,079 76 2,967  
Catg J Exception Values: 3,801,814   3,793,726      
Catg D1 Exception Values: 6,360,370   6,607,091      
Total Test Values (4): 218,064,522   217,899,896      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 10,894,995

Confidence Interval Values (5)

State Lower Limit: 207,004,901 (State Test Value minus Margin of Error Percent)
Local Test Value: 218,064,522 (Within Confidence Interval)
State Upper Limit: 228,794,891 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 244,902,058 (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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