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2006 Confidence Interval Detail
163/Medina
163-903/Natalia ISD

Category Summary

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

Stratum
Variance
A 12,856,418 0.9592 13,403,271 7 421 .008478385
A 12,889,532 1.0248 12,577,607 7 241 .006933169
A 12,819,396 0.9446 13,571,243 7 154 .007132987
A 12,834,276 1.0198 12,585,091 6 78 .000612530
C 2,646,636 1.0604 2,495,885 7 228 .015544615
C 2,913,895 0.9861 2,954,969 7 113 .005127198
C 2,275,805 0.9608 2,368,656 7 72 .014414542
C 2,596,361 1.0277 2,526,380 8 55 .034643741
D3 41,017,070 0.9308 44,066,470 30 2,046 .088220086
Random Totals: 102,849,389   106,549,572 86 3,408  
Catg D1 Exception Values: 2,624,310   2,638,605      
Total Test Values (4): 105,473,699   109,188,177      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 5,459,409

Confidence Interval Values (5)

State Lower Limit: 103,728,768 (State Test Value minus Margin of Error Percent)
Local Test Value: 105,473,699 (Within Confidence Interval)
State Upper Limit: 114,647,586 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 105,238,579 (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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