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2007 Confidence Interval Detail
214/Starr
214-902/San Isidro ISD

Category Summary

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

Stratum
Variance
D3 4,304,640 0.9799 4,392,938 10 1,892 .005066363
G1 52,609,560 0.8967 58,670,191 10 102 .024119201
G1 52,398,480 0.9006 58,181,746 9 38 .013679515
G1 52,645,170 1.0890 48,342,672 7 20 .012076036
G1 48,859,300 1.1677 41,842,340 5 10 .055402950
Random Totals: 210,817,150   211,429,887 41 2,062  
Catg J Exception Values: 983,112   942,553      
Catg D1 Exception Values: 14,207,650   15,764,777      
Total Test Values (4): 226,007,912   228,137,217      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,406,861

Confidence Interval Values (5)

State Lower Limit: 216,730,356 (State Test Value minus Margin of Error Percent)
Local Test Value: 226,007,912 (Within Confidence Interval)
State Upper Limit: 239,544,078 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 281,287,196 (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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