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2009 Confidence Interval Detail
094/Guadalupe
094-903/Navarro ISD

Category Summary

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

Stratum
Variance
A 72,734,144 1.0550 68,942,317 18 651 .009960159
A 74,377,860 1.0054 73,978,377 12 397 .002292499
A 81,735,756 1.0060 81,248,266 13 311 .003573894
A 77,380,284 0.9562 80,924,790 7 160 .002969992
D3 71,602,434 0.9767 73,310,570 16 2,183 .060741666
Random Totals: 377,830,478   378,404,320 66 3,702  
Catg J Exception Values: 5,055,740   5,467,142      
Catg D1 Exception Values: 5,843,209   6,006,247      
Total Test Values (4): 388,729,427   389,877,709      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,493,885

Confidence Interval Values (5)

State Lower Limit: 370,383,824 (State Test Value minus Margin of Error Percent)
Local Test Value: 388,729,427 (Within Confidence Interval)
State Upper Limit: 409,371,594 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 516,232,397 (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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