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2006 Confidence Interval Detail
142/LaSalle
142-901/Cotulla ISD

Category Summary

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

Stratum
Variance
A 39,127,997 0.8776 44,585,229 35 1,905 .098356197
D3 13,702,162 0.8911 15,376,683 20 3,688 .053527553
G1 61,269,147 1.0698 57,271,590 15 147 .016292131
G1 60,429,996 1.2251 49,326,582 15 60 .032418828
G1 61,043,135 1.1691 52,213,784 14 32 .044691352
G1 59,790,286 1.1215 53,312,783 10 16 .014013051
L1 19,142,962 0.9931 19,275,966 10 201 .043834838
Random Totals: 314,505,685   291,362,617 119 6,049  
Catg J Exception Values: 18,366,529   19,823,586      
Catg D1 Exception Values: 59,507,474   60,272,727      
Total Test Values (4): 392,379,688   371,458,930      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 18,572,947

Confidence Interval Values (5)

State Lower Limit: 352,885,983 (State Test Value minus Margin of Error Percent)
State Upper Limit: 390,031,877 (State Test Value plus Margin of Error Percent)
Local Test Value: 392,379,688 (Outside Confidence Interval)
Value Assigned (6): 438,203,655 (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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