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2009 Confidence Interval Detail
198/Robertson
198-901/Bremond ISD

Category Summary

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

Stratum
Variance
A 4,073,310 0.9555 4,263,014 15 185 .019709219
A 4,564,220 0.9450 4,829,862 15 106 .009420071
A 5,677,490 0.9532 5,956,242 18 82 .007153969
A 9,492,270 0.9579 9,909,458 13 79 .005248651
D3 40,606,500 0.5692 71,339,599 23 1,582 .032748533
G1 11,428,050 1.0613 10,767,973 5 25 .003806667
G1 10,368,125 1.0455 9,916,906 4 10 .005192683
G1 11,343,829 0.9974 11,373,400 3 6 .005483450
G1 9,942,835 1.0461 9,504,670 2 3 .001383295
Random Totals: 107,496,629   137,861,124 98 2,078  
Catg J Exception Values: 25,627,390   18,321,784      
Catg D1 Exception Values: 5,318,390   5,745,681      
Total Test Values (4): 138,442,409   161,928,589      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,096,429

Confidence Interval Values (5)

Local Test Value: 138,442,409 (Outside Confidence Interval)
State Lower Limit: 153,832,160 (State Test Value minus Margin of Error Percent)
State Upper Limit: 170,025,018 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 554,391,207 (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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