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2010 Confidence Interval Detail
163/Medina
163-903/Natalia ISD

Category Summary

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

Stratum
Variance
A 18,587,900 0.9433 19,705,184 11 486 .070915319
A 19,374,910 0.9551 20,285,740 11 261 .011247393
A 19,685,760 0.9911 19,862,537 11 145 .015677048
A 21,073,150 0.9959 21,159,906 10 87 .008808088
C 3,612,110 1.0454 3,455,242 9 186 .057764919
C 5,371,170 0.9979 5,382,473 9 178 .007653205
C 4,195,670 1.0443 4,017,686 9 108 .000974445
C 2,348,660 1.0375 2,263,769 9 47 .036777717
D3 58,022,151 1.0289 56,392,410 20 2,122 .020679969
Random Totals: 152,271,481   152,524,947 99 3,620  
Catg J Exception Values: 4,242,696   4,741,062      
Catg D1 Exception Values: 2,764,710   2,868,823      
Total Test Values (4): 159,278,887   160,134,832      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 8,006,742

Confidence Interval Values (5)

State Lower Limit: 152,128,090 (State Test Value minus Margin of Error Percent)
Local Test Value: 159,278,887 (Within Confidence Interval)
State Upper Limit: 168,141,574 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 143,063,310 (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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