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2011 Confidence Interval Detail
072/Erath
097-903/Hico ISD

Category Summary

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

Stratum
Variance
A 966,330 0.9842 981,843 11 26 .001755856
A 856,250 0.9538 897,725 11 14 .010246946
A 1,007,490 0.9908 1,016,845 6 12 .005950321
A 946,760 1.0558 896,723 5 7 .006085915
D3 35,049,590 0.9757 35,922,507 18 950 .014764605
Random Totals: 38,826,420   39,715,643 51 1,009  
Catg D1 Exception Values: 3,842,340   3,646,432      
Total Test Values (4): 42,668,760   43,362,075      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 2,168,104

Confidence Interval Values (5)

State Lower Limit: 41,193,971 (State Test Value minus Margin of Error Percent)
Local Test Value: 42,668,760 (Within Confidence Interval)
State Upper Limit: 45,530,179 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,021,009 (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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