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2009 Confidence Interval Detail
190/Rains
190-903/Rains ISD

Category Summary

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

Stratum
Variance
A 56,752,571 0.9498 59,752,128 17 1,288 .135548543
A 56,980,833 0.9286 61,362,086 17 682 .047475870
A 60,521,944 0.9335 64,833,363 16 433 .021291123
A 60,153,550 0.9825 61,224,987 15 229 .028864522
D3 145,485,685 0.9379 155,118,547 47 5,387 .049903702
F1 8,421,913 1.0077 8,357,560 7 123 .054858777
F1 8,750,471 0.9796 8,932,698 9 53 .029859115
F1 10,301,808 0.8891 11,586,782 6 30 .027273435
F1 8,701,543 0.9827 8,854,730 4 9 .003046016
G1 50,235,781 1.0909 46,049,850 5 14 .000017238
Random Totals: 466,306,099   486,072,731 143 8,248  
Catg D1 Exception Values: 11,969,709   8,471,321      
Catg G1 Exception Values: 18,330,092   17,776,823      
Total Test Values (4): 496,605,900   512,320,875      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,616,044

Confidence Interval Values (5)

State Lower Limit: 486,704,831 (State Test Value minus Margin of Error Percent)
Local Test Value: 496,605,900 (Within Confidence Interval)
State Upper Limit: 537,936,919 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 488,956,398 (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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