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2010 Confidence Interval Detail
079/Fort Bend
008-903/Brazos ISD

Category Summary

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

Stratum
Variance
A 12,200,470 0.9766 12,492,802 11 200 .020937988
A 14,607,660 0.9421 15,505,424 9 131 .005674622
A 12,846,300 0.9921 12,948,594 9 85 .009650249
A 12,886,420 1.0375 12,420,646 9 60 .004083933
D3 32,602,790 1.0051 32,437,359 20 1,577 .074151407
G1 28,020,020 1.0192 27,492,170 9 20 .019276486
G1 26,189,520 1.0073 25,999,722 5 7 .003380739
G1 32,444,040 0.9997 32,453,776 4 5 .000404810
Random Totals: 171,797,220   171,750,493 76 2,085  
Catg J Exception Values: 14,340,433   14,349,850      
Catg D1 Exception Values: 9,139,180   9,994,434      
Catg G1 Exception Values: 20,919,250   20,597,639      
Total Test Values (4): 216,196,083   216,692,416      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 10,834,621

Confidence Interval Values (5)

State Lower Limit: 205,857,795 (State Test Value minus Margin of Error Percent)
Local Test Value: 216,196,083 (Within Confidence Interval)
State Upper Limit: 227,527,037 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 241,140,586 (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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