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2010 Confidence Interval Detail
163/Medina
163-901/Devine ISD

Category Summary

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

Stratum
Variance
A 35,163,610 1.0084 34,870,696 15 774 .034212886
A 34,437,110 0.9497 36,261,040 16 438 .020421699
A 37,274,830 1.0222 36,465,300 21 310 .016255398
A 35,914,330 0.9768 36,767,332 15 180 .004230459
D3 78,602,514 1.0983 71,567,435 20 2,755 .027391809
F1 7,329,390 0.9408 7,790,593 9 100 .093823607
F1 6,403,440 0.7224 8,864,120 8 32 .206444251
F1 7,757,980 1.0987 7,061,054 6 18 .021334708
F1 7,561,450 0.9192 8,226,121 4 8 .009041820
Random Totals: 250,444,654   247,873,691 114 4,615  
Catg J Exception Values: 6,828,332   8,109,357      
Catg D1 Exception Values: 8,987,785   9,115,480      
Total Test Values (4): 266,260,771   265,098,528      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,254,926

Confidence Interval Values (5)

State Lower Limit: 251,843,602 (State Test Value minus Margin of Error Percent)
Local Test Value: 266,260,771 (Within Confidence Interval)
State Upper Limit: 278,353,454 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 268,056,777 (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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