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2011 Confidence Interval Detail
074/Fannin
074-905/Ector ISD

Category Summary

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

Stratum
Variance
A 4,328,500 0.8170 5,298,042 12 130 .050534212
A 4,860,800 0.8593 5,656,697 12 62 .019831165
A 4,332,229 0.9462 4,578,555 12 35 .031605437
A 4,793,186 0.9245 5,184,625 12 22 .022019292
D3 14,547,370 1.2422 11,710,972 15 609 .117249043
Random Totals: 32,862,085   32,428,891 63 858  
Catg D1 Exception Values: 1,339,510   1,276,794      
Total Test Values (4): 34,201,595   33,705,685      

Margin of Error

Margin of Error Percent: 6.6453597
Margin of Error Value: 2,239,864

Confidence Interval Values (5)

State Lower Limit: 31,465,821 (State Test Value minus Margin of Error Percent)
Local Test Value: 34,201,595 (Within Confidence Interval)
State Upper Limit: 35,945,549 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,060,748 (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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