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2011 Confidence Interval Detail
196/Refugio
196-902/Woodsboro ISD

Category Summary

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

Stratum
Variance
A 13,963,560 0.9524 14,661,445 11 429 .027286439
A 13,930,580 0.9658 14,423,877 11 234 .078441097
A 14,089,830 0.9546 14,759,931 10 143 .004087284
A 13,238,210 0.9483 13,959,939 10 70 .025413449
C 2,199,640 1.0039 2,191,095 10 410 .125246731
C 2,286,970 1.0897 2,098,715 10 202 .040842069
C 2,531,370 0.9770 2,590,962 11 121 .020685687
C 1,702,410 0.9393 1,812,424 10 26 .005128410
D3 16,199,650 0.9682 16,731,719 15 1,662 .097889433
G1 3,182,250 1.0236 3,108,880 5 12 .020341250
G1 3,218,840 0.9913 3,247,090 3 4 .062597044
G1 4,069,100 1.0486 3,880,507 2 3 .000134355
Random Totals: 90,612,410   93,466,584 108 3,316  
Catg J Exception Values: 17,231,654   17,889,669      
Catg D1 Exception Values: 18,143,180   16,448,869      
Catg G1 Exception Values: 2,084,340   1,991,785      
Total Test Values (4): 128,071,584   129,796,907      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,489,845

Confidence Interval Values (5)

State Lower Limit: 123,307,062 (State Test Value minus Margin of Error Percent)
Local Test Value: 128,071,584 (Within Confidence Interval)
State Upper Limit: 136,286,752 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 133,671,987 (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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