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2010 Confidence Interval Detail
163/Medina
163-908/Medina Valley ISD

Category Summary

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

Stratum
Variance
A 126,494,519 0.9219 137,210,673 29 1,822 .035847128
A 128,520,135 0.9718 132,249,573 29 877 .009152927
A 135,650,080 0.9984 135,867,468 23 610 .001915358
A 137,281,272 1.0251 133,919,883 17 409 .017099551
C 17,910,940 0.8956 19,998,816 10 731 .031365182
C 20,901,500 0.9818 21,288,959 16 471 .008487799
C 12,513,790 1.0412 12,018,623 9 216 .008041057
C 10,955,555 1.1711 9,354,927 9 96 .135855871
D3 111,314,716 0.9985 111,481,939 20 4,435 .065777468
F1 12,255,900 0.9677 12,664,979 9 90 .012731356
F1 12,008,520 0.9683 12,401,652 8 37 .005838477
F1 12,765,020 0.9770 13,065,527 7 22 .012463466
F1 10,575,180 0.9131 11,581,623 4 7 .062216541
Random Totals: 749,147,127   763,104,642 190 9,823  
Catg J Exception Values: 9,260,307   11,435,927      
Catg D1 Exception Values: 17,822,922   18,084,555      
Total Test Values (4): 776,230,356   792,625,124      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 39,631,256

Confidence Interval Values (5)

State Lower Limit: 752,993,868 (State Test Value minus Margin of Error Percent)
Local Test Value: 776,230,356 (Within Confidence Interval)
State Upper Limit: 832,256,380 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 754,565,648 (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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