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2011 Confidence Interval Detail
108/Hidalgo
108-915/Monte Alto ISD

Category Summary

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

Stratum
Variance
A 7,871,327 0.9881 7,966,124 10 285 .000613666
A 8,032,688 1.0310 7,791,162 10 191 .003848133
A 8,481,899 0.9892 8,574,504 10 138 .003008764
A 7,321,542 0.9923 7,378,355 10 63 .002290696
C 1,754,703 0.9081 1,932,279 10 146 .013737997
C 1,698,515 0.9788 1,735,303 10 64 .000831429
C 1,438,608 0.9872 1,457,261 11 44 .000429802
C 1,654,719 0.9993 1,655,878 10 34 .001273969
D3 13,792,045 0.9903 13,927,138 15 1,240 .000527546
L1 2,699,247 1.0782 2,503,475 7 28 .003907042
Random Totals: 54,745,293   54,921,479 103 2,233  
Catg D1 Exception Values: 8,305,411   9,362,677      
Catg L1 Exception Values: 5,022,856   3,978,140      
Total Test Values (4): 68,073,560   68,262,296      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 3,413,115

Confidence Interval Values (5)

State Lower Limit: 64,849,181 (State Test Value minus Margin of Error Percent)
Local Test Value: 68,073,560 (Within Confidence Interval)
State Upper Limit: 71,675,411 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 70,635,783 (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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