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2009 Confidence Interval Detail
225/Titus
225-902/Mount Pleasant ISD

Category Summary

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

Stratum
Variance
A 112,801,593 0.9775 115,398,049 30 2,110 .017118018
A 120,919,624 1.0314 117,238,340 34 1,350 .017147588
A 110,679,023 0.9908 111,706,725 27 849 .004326565
A 138,605,420 1.0069 137,655,596 21 594 .016665530
D3 128,093,302 1.2487 102,581,326 16 4,864 .178835819
F1 49,832,389 0.9676 51,501,022 7 347 .001382518
F1 54,062,551 0.9954 54,312,388 7 131 .003928784
F1 73,239,140 0.9656 75,848,322 7 70 .001900945
F1 72,018,209 0.9846 73,144,636 7 16 .000468724
L1 24,276,285 1.0119 23,990,795 8 292 .001576371
L1 24,986,131 0.9710 25,732,370 7 68 .003215791
L1 30,204,716 1.0045 30,069,404 6 16 .001404724
L1 14,622,939 1.0074 14,515,524 2 2 .000083166
Random Totals: 954,341,322   933,694,497 179 10,709  
Catg J Exception Values: 38,860,991   39,169,304      
Catg D1 Exception Values: 10,821,773   9,568,341      
Total Test Values (4): 1,004,024,086   982,432,142      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 49,121,607

Confidence Interval Values (5)

State Lower Limit: 933,310,535 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,004,024,086 (Within Confidence Interval)
State Upper Limit: 1,031,553,749 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,231,159,020 (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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