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2008 Confidence Interval Detail
074/Fannin
074-903/Bonham ISD

Category Summary

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

Stratum
Variance
A 58,190,210 1.0011 58,126,271 22 1,591 .021294189
A 57,480,600 0.9806 58,617,785 26 841 .006161555
A 79,671,740 1.0525 75,697,615 19 727 .007104072
A 83,753,930 0.9784 85,602,954 18 436 .017826836
D3 131,332,320 0.9768 134,451,597 29 4,708 .026199284
F1 14,089,720 0.9102 15,479,807 7 248 .073255442
F1 15,576,580 0.9657 16,129,833 6 90 .006856961
F1 15,667,590 0.9090 17,236,073 6 31 .046140941
F1 17,620,950 1.0006 17,610,384 4 10 .002174518
L1 8,639,260 1.0409 8,299,798 7 245 .005683961
L1 6,211,970 1.0069 6,169,401 6 39 .011076791
L1 8,199,280 0.9715 8,439,815 5 14 .053036001
L1 27,677,000 1.0365 26,702,364 2 7 .000148591
Random Totals: 524,111,150   528,563,697 157 8,987  
Catg D1 Exception Values: 12,908,960   10,401,090      
Total Test Values (4): 537,020,110   538,964,787      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,948,239

Confidence Interval Values (5)

State Lower Limit: 512,016,548 (State Test Value minus Margin of Error Percent)
Local Test Value: 537,020,110 (Within Confidence Interval)
State Upper Limit: 565,913,026 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 513,051,268 (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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